20628212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{1237}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 39516960

約数和(自身を除く): 18888748

約数列:

[1, 2, 4, 11, 22, 44, 379, 758, 1237, 1516, 2474, 4169, 4948, 8338, 13607, 16676, 27214, 54428, 468823, 937646, 1875292, 5157053, 10314106, 20628212]

約数ペア:

[(1, 20628212), (2, 10314106), (4, 5157053), (11, 1875292), (22, 937646), (44, 468823), (379, 54428), (758, 27214), (1237, 16676), (1516, 13607), (2474, 8338), (4169, 4948)]