20875020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2503}}^1$

素因数の和:2654

約数の個数: 48

約数和(自身を含む): 58894080

約数和(自身を除く): 38019060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2503, 2780, 4170, 5006, 7509, 8340, 10012, 12515, 15018, 25030, 30036, 37545, 50060, 75090, 150180, 347917, 695834, 1043751, 1391668, 1739585, 2087502, 3479170, 4175004, 5218755, 6958340, 10437510, 20875020]

約数ペア:

[(1, 20875020), (2, 10437510), (3, 6958340), (4, 5218755), (5, 4175004), (6, 3479170), (10, 2087502), (12, 1739585), (15, 1391668), (20, 1043751), (30, 695834), (60, 347917), (139, 150180), (278, 75090), (417, 50060), (556, 37545), (695, 30036), (834, 25030), (1390, 15018), (1668, 12515), (2085, 10012), (2503, 8340), (2780, 7509), (4170, 5006)]