20410760

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3671}}^1$

素因数の和:3821

約数の個数: 32

約数和(自身を含む): 46267200

約数和(自身を除く): 25856440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 3671, 5560, 7342, 14684, 18355, 29368, 36710, 73420, 146840, 510269, 1020538, 2041076, 2551345, 4082152, 5102690, 10205380, 20410760]

約数ペア:

[(1, 20410760), (2, 10205380), (4, 5102690), (5, 4082152), (8, 2551345), (10, 2041076), (20, 1020538), (40, 510269), (139, 146840), (278, 73420), (556, 36710), (695, 29368), (1112, 18355), (1390, 14684), (2780, 7342), (3671, 5560)]