20501340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{761}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 57607200

約数和(自身を除く): 37105860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 449, 761, 898, 1347, 1522, 1796, 2245, 2283, 2694, 3044, 3805, 4490, 4566, 5388, 6735, 7610, 8980, 9132, 11415, 13470, 15220, 22830, 26940, 45660, 341689, 683378, 1025067, 1366756, 1708445, 2050134, 3416890, 4100268, 5125335, 6833780, 10250670, 20501340]

約数ペア:

[(1, 20501340), (2, 10250670), (3, 6833780), (4, 5125335), (5, 4100268), (6, 3416890), (10, 2050134), (12, 1708445), (15, 1366756), (20, 1025067), (30, 683378), (60, 341689), (449, 45660), (761, 26940), (898, 22830), (1347, 15220), (1522, 13470), (1796, 11415), (2245, 9132), (2283, 8980), (2694, 7610), (3044, 6735), (3805, 5388), (4490, 4566)]