20733988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6637}}^1$

素因数の和:6723

約数の個数: 24

約数和(自身を含む): 40146624

約数和(自身を除く): 19412636

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6637, 13274, 26548, 73007, 146014, 292028, 471227, 942454, 1884908, 5183497, 10366994, 20733988]

約数ペア:

[(1, 20733988), (2, 10366994), (4, 5183497), (11, 1884908), (22, 942454), (44, 471227), (71, 292028), (142, 146014), (284, 73007), (781, 26548), (1562, 13274), (3124, 6637)]