20543340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{342389}}^1$

素因数の和:342401

約数の個数: 24

約数和(自身を含む): 57521520

約数和(自身を除く): 36978180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 342389, 684778, 1027167, 1369556, 1711945, 2054334, 3423890, 4108668, 5135835, 6847780, 10271670, 20543340]

約数ペア:

[(1, 20543340), (2, 10271670), (3, 6847780), (4, 5135835), (5, 4108668), (6, 3423890), (10, 2054334), (12, 1711945), (15, 1369556), (20, 1027167), (30, 684778), (60, 342389)]