20435607640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:834

約数の個数: 256

約数和(自身を含む): 56812492800

約数和(自身を除く): 36376885160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 37, 40, 46, 56, 70, 74, 92, 115, 139, 140, 148, 161, 184, 185, 230, 259, 278, 280, 296, 322, 370, 460, 518, 556, 617, 644, 695, 740, 805, 851, 920, 973, 1036, 1112, 1234, 1288, 1295, 1390, 1480, 1610, 1702, 1946, 2072, 2468, 2590, 2780, 3085, 3197, 3220, 3404, 3892, 4255, 4319, 4865, 4936, 5143, 5180, 5560, 5957, 6170, 6394, 6440, 6808, 7784, 8510, 8638, 9730, 10286, 10360, 11914, 12340, 12788, 14191, 15985, 17020, 17276, 19460, 20572, 21595, 22379, 22829, 23828, 24680, 25576, 25715, 28382, 29785, 31970, 34040, 34552, 36001, 38920, 41144, 43190, 44758, 45658, 47656, 51430, 56764, 59570, 63940, 70955, 72002, 85763, 86380, 89516, 91316, 99337, 102860, 111895, 113528, 114145, 118289, 119140, 127880, 141910, 144004, 159803, 171526, 172760, 179032, 180005, 182632, 198674, 205720, 223790, 228290, 236578, 238280, 283820, 288008, 319606, 343052, 360010, 397348, 428815, 447580, 456580, 473156, 496685, 525067, 567640, 591445, 600341, 639212, 686104, 720020, 794696, 799015, 828023, 857630, 895160, 913160, 946312, 993370, 1050134, 1182890, 1200682, 1278424, 1440040, 1598030, 1656046, 1715260, 1972549, 1986740, 2100268, 2365780, 2401364, 2625335, 3001705, 3173231, 3196060, 3312092, 3430520, 3675469, 3945098, 3973480, 4140115, 4200536, 4731560, 4802728, 5250670, 6003410, 6346462, 6392120, 6624184, 7350938, 7890196, 8280230, 9862745, 10501340, 12006820, 12692924, 13807843, 14701876, 15780392, 15866155, 16560460, 18377345, 19725490, 21002680, 22212617, 24013640, 25385848, 27615686, 29403752, 31732310, 33120920, 36754690, 39450980, 44425234, 55231372, 63464620, 69039215, 72984313, 73509380, 78901960, 88850468, 110462744, 111063085, 126929240, 138078430, 145968626, 147018760, 177700936, 222126170, 276156860, 291937252, 364921565, 444252340, 510890191, 552313720, 583874504, 729843130, 888504680, 1021780382, 1459686260, 2043560764, 2554450955, 2919372520, 4087121528, 5108901910, 10217803820, 20435607640]

約数ペア:

[(1, 20435607640), (2, 10217803820), (4, 5108901910), (5, 4087121528), (7, 2919372520), (8, 2554450955), (10, 2043560764), (14, 1459686260), (20, 1021780382), (23, 888504680), (28, 729843130), (35, 583874504), (37, 552313720), (40, 510890191), (46, 444252340), (56, 364921565), (70, 291937252), (74, 276156860), (92, 222126170), (115, 177700936), (139, 147018760), (140, 145968626), (148, 138078430), (161, 126929240), (184, 111063085), (185, 110462744), (230, 88850468), (259, 78901960), (278, 73509380), (280, 72984313), (296, 69039215), (322, 63464620), (370, 55231372), (460, 44425234), (518, 39450980), (556, 36754690), (617, 33120920), (644, 31732310), (695, 29403752), (740, 27615686), (805, 25385848), (851, 24013640), (920, 22212617), (973, 21002680), (1036, 19725490), (1112, 18377345), (1234, 16560460), (1288, 15866155), (1295, 15780392), (1390, 14701876), (1480, 13807843), (1610, 12692924), (1702, 12006820), (1946, 10501340), (2072, 9862745), (2468, 8280230), (2590, 7890196), (2780, 7350938), (3085, 6624184), (3197, 6392120), (3220, 6346462), (3404, 6003410), (3892, 5250670), (4255, 4802728), (4319, 4731560), (4865, 4200536), (4936, 4140115), (5143, 3973480), (5180, 3945098), (5560, 3675469), (5957, 3430520), (6170, 3312092), (6394, 3196060), (6440, 3173231), (6808, 3001705), (7784, 2625335), (8510, 2401364), (8638, 2365780), (9730, 2100268), (10286, 1986740), (10360, 1972549), (11914, 1715260), (12340, 1656046), (12788, 1598030), (14191, 1440040), (15985, 1278424), (17020, 1200682), (17276, 1182890), (19460, 1050134), (20572, 993370), (21595, 946312), (22379, 913160), (22829, 895160), (23828, 857630), (24680, 828023), (25576, 799015), (25715, 794696), (28382, 720020), (29785, 686104), (31970, 639212), (34040, 600341), (34552, 591445), (36001, 567640), (38920, 525067), (41144, 496685), (43190, 473156), (44758, 456580), (45658, 447580), (47656, 428815), (51430, 397348), (56764, 360010), (59570, 343052), (63940, 319606), (70955, 288008), (72002, 283820), (85763, 238280), (86380, 236578), (89516, 228290), (91316, 223790), (99337, 205720), (102860, 198674), (111895, 182632), (113528, 180005), (114145, 179032), (118289, 172760), (119140, 171526), (127880, 159803), (141910, 144004)]