20189827

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{569}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 23912640

約数和(自身を除く): 3722813

約数列:

[1, 7, 37, 137, 259, 569, 959, 3983, 5069, 21053, 35483, 77953, 147371, 545671, 2884261, 20189827]

約数ペア:

[(1, 20189827), (7, 2884261), (37, 545671), (137, 147371), (259, 77953), (569, 35483), (959, 21053), (3983, 5069)]