20734092020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{919}}^1$

素因数の和:1257

約数の個数: 96

約数和(自身を含む): 44930592000

約数和(自身を除く): 24196499980

約数列:

[1, 2, 4, 5, 10, 20, 67, 113, 134, 149, 226, 268, 298, 335, 452, 565, 596, 670, 745, 919, 1130, 1340, 1490, 1838, 2260, 2980, 3676, 4595, 7571, 9190, 9983, 15142, 16837, 18380, 19966, 30284, 33674, 37855, 39932, 49915, 61573, 67348, 75710, 84185, 99830, 103847, 123146, 136931, 151420, 168370, 199660, 207694, 246292, 273862, 307865, 336740, 415388, 519235, 547724, 615730, 684655, 1038470, 1128079, 1231460, 1369310, 2076940, 2256158, 2738620, 4512316, 5640395, 6957749, 9174377, 11280790, 13915498, 15473203, 18348754, 22561580, 27830996, 30946406, 34788745, 36697508, 45871885, 61892812, 69577490, 77366015, 91743770, 139154980, 154732030, 183487540, 309464060, 1036704601, 2073409202, 4146818404, 5183523005, 10367046010, 20734092020]

約数ペア:

[(1, 20734092020), (2, 10367046010), (4, 5183523005), (5, 4146818404), (10, 2073409202), (20, 1036704601), (67, 309464060), (113, 183487540), (134, 154732030), (149, 139154980), (226, 91743770), (268, 77366015), (298, 69577490), (335, 61892812), (452, 45871885), (565, 36697508), (596, 34788745), (670, 30946406), (745, 27830996), (919, 22561580), (1130, 18348754), (1340, 15473203), (1490, 13915498), (1838, 11280790), (2260, 9174377), (2980, 6957749), (3676, 5640395), (4595, 4512316), (7571, 2738620), (9190, 2256158), (9983, 2076940), (15142, 1369310), (16837, 1231460), (18380, 1128079), (19966, 1038470), (30284, 684655), (33674, 615730), (37855, 547724), (39932, 519235), (49915, 415388), (61573, 336740), (67348, 307865), (75710, 273862), (84185, 246292), (99830, 207694), (103847, 199660), (123146, 168370), (136931, 151420)]