20162511

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1153}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 30604080

約数和(自身を除く): 10441569

約数列:

[1, 3, 9, 29, 67, 87, 201, 261, 603, 1153, 1943, 3459, 5829, 10377, 17487, 33437, 77251, 100311, 231753, 300933, 695259, 2240279, 6720837, 20162511]

約数ペア:

[(1, 20162511), (3, 6720837), (9, 2240279), (29, 695259), (67, 300933), (87, 231753), (201, 100311), (261, 77251), (603, 33437), (1153, 17487), (1943, 10377), (3459, 5829)]