20975604

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10343}}^1$

素因数の和:10376

約数の個数: 36

約数和(自身を含む): 53002656

約数和(自身を除く): 32027052

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10343, 20686, 31029, 41372, 62058, 124116, 134459, 268918, 403377, 537836, 806754, 1613508, 1747967, 3495934, 5243901, 6991868, 10487802, 20975604]

約数ペア:

[(1, 20975604), (2, 10487802), (3, 6991868), (4, 5243901), (6, 3495934), (12, 1747967), (13, 1613508), (26, 806754), (39, 537836), (52, 403377), (78, 268918), (156, 134459), (169, 124116), (338, 62058), (507, 41372), (676, 31029), (1014, 20686), (2028, 10343)]