20797816

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15383}}^1$

素因数の和:15415

約数の個数: 24

約数和(自身を含む): 42229080

約数和(自身を除く): 21431264

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15383, 30766, 61532, 123064, 199979, 399958, 799916, 1599832, 2599727, 5199454, 10398908, 20797816]

約数ペア:

[(1, 20797816), (2, 10398908), (4, 5199454), (8, 2599727), (13, 1599832), (26, 799916), (52, 399958), (104, 199979), (169, 123064), (338, 61532), (676, 30766), (1352, 15383)]