20408957324

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3268571}}^1$

素因数の和:3268805

約数の個数: 24

約数和(自身を含む): 41000967168

約数和(自身を除く): 20592009844

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 3268571, 6537142, 13074284, 22879997, 45759994, 91519988, 728891333, 1457782666, 2915565332, 5102239331, 10204478662, 20408957324]

約数ペア:

[(1, 20408957324), (2, 10204478662), (4, 5102239331), (7, 2915565332), (14, 1457782666), (28, 728891333), (223, 91519988), (446, 45759994), (892, 22879997), (1561, 13074284), (3122, 6537142), (6244, 3268571)]