20406477105

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2113}}^1$

素因数の和:2228

約数の個数: 192

約数和(自身を含む): 44576243712

約数和(自身を除く): 24169766607

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 31, 35, 43, 45, 63, 69, 93, 105, 115, 129, 155, 161, 207, 215, 217, 279, 301, 315, 345, 387, 465, 483, 645, 651, 713, 805, 903, 989, 1035, 1085, 1333, 1395, 1449, 1505, 1935, 1953, 2113, 2139, 2415, 2709, 2967, 3255, 3565, 3999, 4515, 4945, 4991, 6339, 6417, 6665, 6923, 7245, 8901, 9331, 9765, 10565, 10695, 11997, 13545, 14791, 14835, 14973, 19017, 19995, 20769, 24955, 27993, 30659, 31695, 32085, 34615, 44373, 44505, 44919, 46655, 48599, 59985, 62307, 65503, 73955, 74865, 83979, 90859, 91977, 95085, 103845, 133119, 139965, 145797, 153295, 196509, 214613, 221865, 224595, 242995, 272577, 275931, 311535, 327515, 340193, 419895, 437391, 454295, 458521, 459885, 589527, 636013, 643839, 665595, 728985, 817731, 982545, 1020579, 1073065, 1362885, 1375563, 1379655, 1506569, 1700965, 1908039, 1931517, 2089757, 2186955, 2292605, 2816629, 2947635, 3061737, 3180065, 3219195, 4088655, 4126689, 4519707, 5102895, 5724117, 6269271, 6877815, 7532845, 8449887, 9540195, 9657585, 10448785, 10545983, 13559121, 14083145, 14628299, 15308685, 18807813, 19716403, 20633445, 22598535, 25349661, 28620585, 31346355, 31637949, 42249435, 43884897, 52729915, 59149209, 64782467, 67795605, 73141495, 94039065, 94913847, 98582015, 126748305, 131654691, 158189745, 177447627, 194347401, 219424485, 295746045, 323912335, 453477269, 474569235, 583042203, 658273455, 887238135, 971737005, 1360431807, 2267386345, 2915211015, 4081295421, 6802159035, 20406477105]

約数ペア:

[(1, 20406477105), (3, 6802159035), (5, 4081295421), (7, 2915211015), (9, 2267386345), (15, 1360431807), (21, 971737005), (23, 887238135), (31, 658273455), (35, 583042203), (43, 474569235), (45, 453477269), (63, 323912335), (69, 295746045), (93, 219424485), (105, 194347401), (115, 177447627), (129, 158189745), (155, 131654691), (161, 126748305), (207, 98582015), (215, 94913847), (217, 94039065), (279, 73141495), (301, 67795605), (315, 64782467), (345, 59149209), (387, 52729915), (465, 43884897), (483, 42249435), (645, 31637949), (651, 31346355), (713, 28620585), (805, 25349661), (903, 22598535), (989, 20633445), (1035, 19716403), (1085, 18807813), (1333, 15308685), (1395, 14628299), (1449, 14083145), (1505, 13559121), (1935, 10545983), (1953, 10448785), (2113, 9657585), (2139, 9540195), (2415, 8449887), (2709, 7532845), (2967, 6877815), (3255, 6269271), (3565, 5724117), (3999, 5102895), (4515, 4519707), (4945, 4126689), (4991, 4088655), (6339, 3219195), (6417, 3180065), (6665, 3061737), (6923, 2947635), (7245, 2816629), (8901, 2292605), (9331, 2186955), (9765, 2089757), (10565, 1931517), (10695, 1908039), (11997, 1700965), (13545, 1506569), (14791, 1379655), (14835, 1375563), (14973, 1362885), (19017, 1073065), (19995, 1020579), (20769, 982545), (24955, 817731), (27993, 728985), (30659, 665595), (31695, 643839), (32085, 636013), (34615, 589527), (44373, 459885), (44505, 458521), (44919, 454295), (46655, 437391), (48599, 419895), (59985, 340193), (62307, 327515), (65503, 311535), (73955, 275931), (74865, 272577), (83979, 242995), (90859, 224595), (91977, 221865), (95085, 214613), (103845, 196509), (133119, 153295), (139965, 145797)]