20111460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4721}}^1$

素因数の和:4804

約数の個数: 48

約数和(自身を含む): 57117312

約数和(自身を除く): 37005852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4721, 9442, 14163, 18884, 23605, 28326, 47210, 56652, 70815, 94420, 141630, 283260, 335191, 670382, 1005573, 1340764, 1675955, 2011146, 3351910, 4022292, 5027865, 6703820, 10055730, 20111460]

約数ペア:

[(1, 20111460), (2, 10055730), (3, 6703820), (4, 5027865), (5, 4022292), (6, 3351910), (10, 2011146), (12, 1675955), (15, 1340764), (20, 1005573), (30, 670382), (60, 335191), (71, 283260), (142, 141630), (213, 94420), (284, 70815), (355, 56652), (426, 47210), (710, 28326), (852, 23605), (1065, 18884), (1420, 14163), (2130, 9442), (4260, 4721)]