16397420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63067}}^1$

素因数の和:63089

約数の個数: 24

約数和(自身を含む): 37083984

約数和(自身を除く): 20686564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 63067, 126134, 252268, 315335, 630670, 819871, 1261340, 1639742, 3279484, 4099355, 8198710, 16397420]

約数ペア:

[(1, 16397420), (2, 8198710), (4, 4099355), (5, 3279484), (10, 1639742), (13, 1261340), (20, 819871), (26, 630670), (52, 315335), (65, 252268), (130, 126134), (260, 63067)]