20187418719

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2477}}^1\times {\mathrm{3119}}^1$

素因数の和:5679

約数の個数: 32

約数和(自身を含む): 29441018880

約数和(自身を除く): 9253600161

約数列:

[1, 3, 13, 39, 67, 201, 871, 2477, 2613, 3119, 7431, 9357, 32201, 40547, 96603, 121641, 165959, 208973, 497877, 626919, 2157467, 2716649, 6472401, 7725763, 8149947, 23177289, 100434919, 301304757, 517626121, 1552878363, 6729139573, 20187418719]

約数ペア:

[(1, 20187418719), (3, 6729139573), (13, 1552878363), (39, 517626121), (67, 301304757), (201, 100434919), (871, 23177289), (2477, 8149947), (2613, 7725763), (3119, 6472401), (7431, 2716649), (9357, 2157467), (32201, 626919), (40547, 497877), (96603, 208973), (121641, 165959)]