20781370599

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{1277}}^1\times {\mathrm{493139}}^1$

素因数の和:494430

約数の個数: 16

約数和(自身を含む): 30251180160

約数和(自身を除く): 9469809561

約数列:

[1, 3, 11, 33, 1277, 3831, 14047, 42141, 493139, 1479417, 5424529, 16273587, 629738503, 1889215509, 6927123533, 20781370599]

約数ペア:

[(1, 20781370599), (3, 6927123533), (11, 1889215509), (33, 629738503), (1277, 16273587), (3831, 5424529), (14047, 1479417), (42141, 493139)]