20121128128

素因数分解:

$2^6\times {\mathrm{1163}}^1\times {\mathrm{270329}}^1$

素因数の和:271504

約数の個数: 28

約数和(自身を含む): 39962343240

約数和(自身を除く): 19841215112

約数列:

[1, 2, 4, 8, 16, 32, 64, 1163, 2326, 4652, 9304, 18608, 37216, 74432, 270329, 540658, 1081316, 2162632, 4325264, 8650528, 17301056, 314392627, 628785254, 1257570508, 2515141016, 5030282032, 10060564064, 20121128128]

約数ペア:

[(1, 20121128128), (2, 10060564064), (4, 5030282032), (8, 2515141016), (16, 1257570508), (32, 628785254), (64, 314392627), (1163, 17301056), (2326, 8650528), (4652, 4325264), (9304, 2162632), (18608, 1081316), (37216, 540658), (74432, 270329)]