20957999855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{58169}}^1$

素因数の和:58451

約数の個数: 32

約数和(自身を含む): 28379514240

約数和(自身を除く): 7421514385

約数列:

[1, 5, 13, 23, 65, 115, 241, 299, 1205, 1495, 3133, 5543, 15665, 27715, 58169, 72059, 290845, 360295, 756197, 1337887, 3780985, 6689435, 14018729, 17392531, 70093645, 86962655, 182243477, 322430767, 911217385, 1612153835, 4191599971, 20957999855]

約数ペア:

[(1, 20957999855), (5, 4191599971), (13, 1612153835), (23, 911217385), (65, 322430767), (115, 182243477), (241, 86962655), (299, 70093645), (1205, 17392531), (1495, 14018729), (3133, 6689435), (5543, 3780985), (15665, 1337887), (27715, 756197), (58169, 360295), (72059, 290845)]