20971837107

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1740257}}^1$

素因数の和:1740379

約数の個数: 24

約数和(自身を含む): 32939603424

約数和(自身を除く): 11967766317

約数列:

[1, 3, 9, 13, 39, 103, 117, 309, 927, 1339, 4017, 12051, 1740257, 5220771, 15662313, 22623341, 67870023, 179246471, 203610069, 537739413, 1613218239, 2330204123, 6990612369, 20971837107]

約数ペア:

[(1, 20971837107), (3, 6990612369), (9, 2330204123), (13, 1613218239), (39, 537739413), (103, 203610069), (117, 179246471), (309, 67870023), (927, 22623341), (1339, 15662313), (4017, 5220771), (12051, 1740257)]