20913651

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1399}}^1$

素因数の和:1567

約数の個数: 24

約数和(自身を含む): 33196800

約数和(自身を除く): 12283149

約数列:

[1, 3, 9, 11, 33, 99, 151, 453, 1359, 1399, 1661, 4197, 4983, 12591, 14949, 15389, 46167, 138501, 211249, 633747, 1901241, 2323739, 6971217, 20913651]

約数ペア:

[(1, 20913651), (3, 6971217), (9, 2323739), (11, 1901241), (33, 633747), (99, 211249), (151, 138501), (453, 46167), (1359, 15389), (1399, 14949), (1661, 12591), (4197, 4983)]