20015684

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1021}}^1$

素因数の和:1080

約数の個数: 36

約数和(自身を含む): 39275460

約数和(自身を除く): 19259776

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 169, 338, 377, 676, 754, 1021, 1508, 2042, 4084, 4901, 9802, 13273, 19604, 26546, 29609, 53092, 59218, 118436, 172549, 345098, 384917, 690196, 769834, 1539668, 5003921, 10007842, 20015684]

約数ペア:

[(1, 20015684), (2, 10007842), (4, 5003921), (13, 1539668), (26, 769834), (29, 690196), (52, 384917), (58, 345098), (116, 172549), (169, 118436), (338, 59218), (377, 53092), (676, 29609), (754, 26546), (1021, 19604), (1508, 13273), (2042, 9802), (4084, 4901)]