20171445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10111}}^1$

素因数の和:10145

約数の個数: 32

約数和(自身を含む): 38830080

約数和(自身を除く): 18658635

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10111, 30333, 50555, 70777, 151665, 192109, 212331, 353885, 576327, 960545, 1061655, 1344763, 2881635, 4034289, 6723815, 20171445]

約数ペア:

[(1, 20171445), (3, 6723815), (5, 4034289), (7, 2881635), (15, 1344763), (19, 1061655), (21, 960545), (35, 576327), (57, 353885), (95, 212331), (105, 192109), (133, 151665), (285, 70777), (399, 50555), (665, 30333), (1995, 10111)]