20201208660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{353}}^1\times {\mathrm{601}}^1$

素因数の和:1015

約数の個数: 216

約数和(自身を含む): 64345403304

約数和(自身を除く): 44144194644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 353, 414, 460, 529, 601, 690, 706, 828, 1035, 1058, 1059, 1202, 1380, 1412, 1587, 1765, 1803, 2070, 2116, 2118, 2404, 2645, 3005, 3174, 3177, 3530, 3606, 4140, 4236, 4761, 5290, 5295, 5409, 6010, 6348, 6354, 7060, 7212, 7935, 8119, 9015, 9522, 10580, 10590, 10818, 12020, 12708, 13823, 15870, 15885, 16238, 18030, 19044, 21180, 21636, 23805, 24357, 27045, 27646, 31740, 31770, 32476, 36060, 40595, 41469, 47610, 48714, 54090, 55292, 63540, 69115, 73071, 81190, 82938, 95220, 97428, 108180, 121785, 124407, 138230, 146142, 162380, 165876, 186737, 207345, 212153, 243570, 248814, 276460, 292284, 317929, 365355, 373474, 414690, 424306, 487140, 497628, 560211, 622035, 635858, 636459, 730710, 746948, 829380, 848612, 933685, 953787, 1060765, 1120422, 1244070, 1271716, 1272918, 1461420, 1589645, 1680633, 1867370, 1907574, 1909377, 2121530, 2240844, 2488140, 2545836, 2801055, 2861361, 3179290, 3182295, 3361266, 3734740, 3815148, 3818754, 4243060, 4768935, 4879519, 5602110, 5722722, 6358580, 6364590, 6722532, 7637508, 8403165, 9537870, 9546885, 9759038, 11204220, 11445444, 12729180, 14306805, 14638557, 16806330, 19075740, 19093770, 19518076, 24397595, 28613610, 29277114, 33612660, 38187540, 43915671, 48795190, 57227220, 58554228, 73192785, 87831342, 97590380, 112228937, 146385570, 175662684, 219578355, 224457874, 292771140, 336686811, 439156710, 448915748, 561144685, 673373622, 878313420, 1010060433, 1122289370, 1346747244, 1683434055, 2020120866, 2244578740, 3366868110, 4040241732, 5050302165, 6733736220, 10100604330, 20201208660]

約数ペア:

[(1, 20201208660), (2, 10100604330), (3, 6733736220), (4, 5050302165), (5, 4040241732), (6, 3366868110), (9, 2244578740), (10, 2020120866), (12, 1683434055), (15, 1346747244), (18, 1122289370), (20, 1010060433), (23, 878313420), (30, 673373622), (36, 561144685), (45, 448915748), (46, 439156710), (60, 336686811), (69, 292771140), (90, 224457874), (92, 219578355), (115, 175662684), (138, 146385570), (180, 112228937), (207, 97590380), (230, 87831342), (276, 73192785), (345, 58554228), (353, 57227220), (414, 48795190), (460, 43915671), (529, 38187540), (601, 33612660), (690, 29277114), (706, 28613610), (828, 24397595), (1035, 19518076), (1058, 19093770), (1059, 19075740), (1202, 16806330), (1380, 14638557), (1412, 14306805), (1587, 12729180), (1765, 11445444), (1803, 11204220), (2070, 9759038), (2116, 9546885), (2118, 9537870), (2404, 8403165), (2645, 7637508), (3005, 6722532), (3174, 6364590), (3177, 6358580), (3530, 5722722), (3606, 5602110), (4140, 4879519), (4236, 4768935), (4761, 4243060), (5290, 3818754), (5295, 3815148), (5409, 3734740), (6010, 3361266), (6348, 3182295), (6354, 3179290), (7060, 2861361), (7212, 2801055), (7935, 2545836), (8119, 2488140), (9015, 2240844), (9522, 2121530), (10580, 1909377), (10590, 1907574), (10818, 1867370), (12020, 1680633), (12708, 1589645), (13823, 1461420), (15870, 1272918), (15885, 1271716), (16238, 1244070), (18030, 1120422), (19044, 1060765), (21180, 953787), (21636, 933685), (23805, 848612), (24357, 829380), (27045, 746948), (27646, 730710), (31740, 636459), (31770, 635858), (32476, 622035), (36060, 560211), (40595, 497628), (41469, 487140), (47610, 424306), (48714, 414690), (54090, 373474), (55292, 365355), (63540, 317929), (69115, 292284), (73071, 276460), (81190, 248814), (82938, 243570), (95220, 212153), (97428, 207345), (108180, 186737), (121785, 165876), (124407, 162380), (138230, 146142)]