20408514

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2179}}^1$

素因数の和:2414

約数の個数: 32

約数和(自身を含む): 46878720

約数和(自身を除く): 26470206

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 223, 446, 669, 1338, 1561, 2179, 3122, 4358, 4683, 6537, 9366, 13074, 15253, 30506, 45759, 91518, 485917, 971834, 1457751, 2915502, 3401419, 6802838, 10204257, 20408514]

約数ペア:

[(1, 20408514), (2, 10204257), (3, 6802838), (6, 3401419), (7, 2915502), (14, 1457751), (21, 971834), (42, 485917), (223, 91518), (446, 45759), (669, 30506), (1338, 15253), (1561, 13074), (2179, 9366), (3122, 6537), (4358, 4683)]