20865060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38639}}^1$

素因数の和:38657

約数の個数: 48

約数和(自身を含む): 64915200

約数和(自身を除く): 44050140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38639, 77278, 115917, 154556, 193195, 231834, 347751, 386390, 463668, 579585, 695502, 772780, 1043253, 1159170, 1391004, 1738755, 2086506, 2318340, 3477510, 4173012, 5216265, 6955020, 10432530, 20865060]

約数ペア:

[(1, 20865060), (2, 10432530), (3, 6955020), (4, 5216265), (5, 4173012), (6, 3477510), (9, 2318340), (10, 2086506), (12, 1738755), (15, 1391004), (18, 1159170), (20, 1043253), (27, 772780), (30, 695502), (36, 579585), (45, 463668), (54, 386390), (60, 347751), (90, 231834), (108, 193195), (135, 154556), (180, 115917), (270, 77278), (540, 38639)]