20650455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{65557}}^1$

素因数の和:65575

約数の個数: 24

約数和(自身を含む): 40908192

約数和(自身を除く): 20257737

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 65557, 196671, 327785, 458899, 590013, 983355, 1376697, 2294495, 2950065, 4130091, 6883485, 20650455]

約数ペア:

[(1, 20650455), (3, 6883485), (5, 4130091), (7, 2950065), (9, 2294495), (15, 1376697), (21, 983355), (35, 590013), (45, 458899), (63, 327785), (105, 196671), (315, 65557)]