20247507

素因数分解:

$3^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{577}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 33542496

約数和(自身を除く): 13294989

約数列:

[1, 3, 7, 9, 21, 63, 557, 577, 1671, 1731, 3899, 4039, 5013, 5193, 11697, 12117, 35091, 36351, 321389, 964167, 2249723, 2892501, 6749169, 20247507]

約数ペア:

[(1, 20247507), (3, 6749169), (7, 2892501), (9, 2249723), (21, 964167), (63, 321389), (557, 36351), (577, 35091), (1671, 12117), (1731, 11697), (3899, 5193), (4039, 5013)]