20389122

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87133}}^1$

素因数の和:87154

約数の個数: 24

約数和(自身を含む): 47575164

約数和(自身を除く): 27186042

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87133, 174266, 261399, 522798, 784197, 1132729, 1568394, 2265458, 3398187, 6796374, 10194561, 20389122]

約数ペア:

[(1, 20389122), (2, 10194561), (3, 6796374), (6, 3398187), (9, 2265458), (13, 1568394), (18, 1132729), (26, 784197), (39, 522798), (78, 261399), (117, 174266), (234, 87133)]