20023770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51343}}^1$

素因数の和:51366

約数の個数: 32

約数和(自身を含む): 51754752

約数和(自身を除く): 31730982

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51343, 102686, 154029, 256715, 308058, 513430, 667459, 770145, 1334918, 1540290, 2002377, 3337295, 4004754, 6674590, 10011885, 20023770]

約数ペア:

[(1, 20023770), (2, 10011885), (3, 6674590), (5, 4004754), (6, 3337295), (10, 2002377), (13, 1540290), (15, 1334918), (26, 770145), (30, 667459), (39, 513430), (65, 308058), (78, 256715), (130, 154029), (195, 102686), (390, 51343)]