20102655

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 34200000

約数和(自身を除く): 14097345

約数列:

[1, 3, 5, 15, 29, 37, 87, 111, 145, 185, 435, 555, 1073, 1249, 3219, 3747, 5365, 6245, 16095, 18735, 36221, 46213, 108663, 138639, 181105, 231065, 543315, 693195, 1340177, 4020531, 6700885, 20102655]

約数ペア:

[(1, 20102655), (3, 6700885), (5, 4020531), (15, 1340177), (29, 693195), (37, 543315), (87, 231065), (111, 181105), (145, 138639), (185, 108663), (435, 46213), (555, 36221), (1073, 18735), (1249, 16095), (3219, 6245), (3747, 5365)]