20559035

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 30222720

約数和(自身を除く): 9663685

約数列:

[1, 5, 7, 17, 35, 85, 109, 119, 317, 545, 595, 763, 1585, 1853, 2219, 3815, 5389, 9265, 11095, 12971, 26945, 34553, 37723, 64855, 172765, 188615, 241871, 587401, 1209355, 2937005, 4111807, 20559035]

約数ペア:

[(1, 20559035), (5, 4111807), (7, 2937005), (17, 1209355), (35, 587401), (85, 241871), (109, 188615), (119, 172765), (317, 64855), (545, 37723), (595, 34553), (763, 26945), (1585, 12971), (1853, 11095), (2219, 9265), (3815, 5389)]