13257620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{38993}}^1$

素因数の和:39019

約数の個数: 24

約数和(自身を含む): 29479464

約数和(自身を除く): 16221844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 38993, 77986, 155972, 194965, 389930, 662881, 779860, 1325762, 2651524, 3314405, 6628810, 13257620]

約数ペア:

[(1, 13257620), (2, 6628810), (4, 3314405), (5, 2651524), (10, 1325762), (17, 779860), (20, 662881), (34, 389930), (68, 194965), (85, 155972), (170, 77986), (340, 38993)]