20414008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{409}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 40737600

約数和(自身を除く): 20323592

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 367, 409, 734, 818, 1468, 1636, 2936, 3272, 6239, 6953, 12478, 13906, 24956, 27812, 49912, 55624, 150103, 300206, 600412, 1200824, 2551751, 5103502, 10207004, 20414008]

約数ペア:

[(1, 20414008), (2, 10207004), (4, 5103502), (8, 2551751), (17, 1200824), (34, 600412), (68, 300206), (136, 150103), (367, 55624), (409, 49912), (734, 27812), (818, 24956), (1468, 13906), (1636, 12478), (2936, 6953), (3272, 6239)]