20215187734

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2099}}^1\times {\mathrm{9689}}^1$

素因数の和:11868

約数の個数: 32

約数和(自身を含む): 35163072000

約数和(自身を除く): 14947884266

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 2099, 4198, 9689, 14693, 19378, 29386, 67823, 135646, 149029, 298058, 687919, 1043203, 1375838, 2086406, 4815433, 9630866, 20337211, 40674422, 142360477, 284720954, 1443941981, 2887883962, 10107593867, 20215187734]

約数ペア:

[(1, 20215187734), (2, 10107593867), (7, 2887883962), (14, 1443941981), (71, 284720954), (142, 142360477), (497, 40674422), (994, 20337211), (2099, 9630866), (4198, 4815433), (9689, 2086406), (14693, 1375838), (19378, 1043203), (29386, 687919), (67823, 298058), (135646, 149029)]