20509670

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 17981530

約数列:

[1, 2, 5, 10, 29, 58, 145, 197, 290, 359, 394, 718, 985, 1795, 1970, 3590, 5713, 10411, 11426, 20822, 28565, 52055, 57130, 70723, 104110, 141446, 353615, 707230, 2050967, 4101934, 10254835, 20509670]

約数ペア:

[(1, 20509670), (2, 10254835), (5, 4101934), (10, 2050967), (29, 707230), (58, 353615), (145, 141446), (197, 104110), (290, 70723), (359, 57130), (394, 52055), (718, 28565), (985, 20822), (1795, 11426), (1970, 10411), (3590, 5713)]