20783899801

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1\times {\mathrm{1087}}^1$

素因数の和:1733

約数の個数: 32

約数和(自身を含む): 24556421120

約数和(自身を除く): 3772521319

約数列:

[1, 7, 43, 139, 301, 457, 973, 1087, 3199, 5977, 7609, 19651, 41839, 46741, 63523, 137557, 151093, 327187, 444661, 496759, 1057651, 2731489, 3477313, 6496999, 19120423, 21360637, 45478993, 69049501, 149524459, 483346507, 2969128543, 20783899801]

約数ペア:

[(1, 20783899801), (7, 2969128543), (43, 483346507), (139, 149524459), (301, 69049501), (457, 45478993), (973, 21360637), (1087, 19120423), (3199, 6496999), (5977, 3477313), (7609, 2731489), (19651, 1057651), (41839, 496759), (46741, 444661), (63523, 327187), (137557, 151093)]