20469365

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30781}}^1$

素因数の和:30812

約数の個数: 16

約数和(自身を含む): 29550720

約数和(自身を除く): 9081355

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 30781, 153905, 215467, 584839, 1077335, 2924195, 4093873, 20469365]

約数ペア:

[(1, 20469365), (5, 4093873), (7, 2924195), (19, 1077335), (35, 584839), (95, 215467), (133, 153905), (665, 30781)]