20610365640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2419057}}^1$

素因数の和:2419142

約数の個数: 64

約数和(自身を含む): 62701983360

約数和(自身を除く): 42091617720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 2419057, 4838114, 7257171, 9676228, 12095285, 14514342, 19352456, 24190570, 29028684, 36285855, 48381140, 58057368, 72571710, 96762280, 145143420, 171753047, 290286840, 343506094, 515259141, 687012188, 858765235, 1030518282, 1374024376, 1717530470, 2061036564, 2576295705, 3435060940, 4122073128, 5152591410, 6870121880, 10305182820, 20610365640]

約数ペア:

[(1, 20610365640), (2, 10305182820), (3, 6870121880), (4, 5152591410), (5, 4122073128), (6, 3435060940), (8, 2576295705), (10, 2061036564), (12, 1717530470), (15, 1374024376), (20, 1030518282), (24, 858765235), (30, 687012188), (40, 515259141), (60, 343506094), (71, 290286840), (120, 171753047), (142, 145143420), (213, 96762280), (284, 72571710), (355, 58057368), (426, 48381140), (568, 36285855), (710, 29028684), (852, 24190570), (1065, 19352456), (1420, 14514342), (1704, 12095285), (2130, 9676228), (2840, 7257171), (4260, 4838114), (8520, 2419057)]