20173185529

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1\times {\mathrm{2347}}^1$

素因数の和:2845

約数の個数: 32

約数和(自身を含む): 24279146496

約数和(自身を除く): 4105960967

約数列:

[1, 7, 23, 161, 197, 271, 1379, 1897, 2347, 4531, 6233, 16429, 31717, 43631, 53387, 53981, 373709, 377867, 462359, 636037, 1227901, 3236513, 4452259, 8595307, 10634257, 14628851, 74439799, 102401957, 125299289, 877095023, 2881883647, 20173185529]

約数ペア:

[(1, 20173185529), (7, 2881883647), (23, 877095023), (161, 125299289), (197, 102401957), (271, 74439799), (1379, 14628851), (1897, 10634257), (2347, 8595307), (4531, 4452259), (6233, 3236513), (16429, 1227901), (31717, 636037), (43631, 462359), (53387, 377867), (53981, 373709)]