20164996888

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{8803}}^1\times {\mathrm{6659}}^1$

素因数の和:15511

約数の個数: 32

約数和(自身を含む): 38698862400

約数和(自身を除く): 18533865512

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 6659, 8803, 13318, 17606, 26636, 35212, 53272, 70424, 286337, 378529, 572674, 757058, 1145348, 1514116, 2290696, 3028232, 58619177, 117238354, 234476708, 468953416, 2520624611, 5041249222, 10082498444, 20164996888]

約数ペア:

[(1, 20164996888), (2, 10082498444), (4, 5041249222), (8, 2520624611), (43, 468953416), (86, 234476708), (172, 117238354), (344, 58619177), (6659, 3028232), (8803, 2290696), (13318, 1514116), (17606, 1145348), (26636, 757058), (35212, 572674), (53272, 378529), (70424, 286337)]