20293992

素因数分解:

$2^3\times 3^2\times {\mathrm{521}}^1\times {\mathrm{541}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 55170180

約数和(自身を除く): 34876188

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 521, 541, 1042, 1082, 1563, 1623, 2084, 2164, 3126, 3246, 4168, 4328, 4689, 4869, 6252, 6492, 9378, 9738, 12504, 12984, 18756, 19476, 37512, 38952, 281861, 563722, 845583, 1127444, 1691166, 2254888, 2536749, 3382332, 5073498, 6764664, 10146996, 20293992]

約数ペア:

[(1, 20293992), (2, 10146996), (3, 6764664), (4, 5073498), (6, 3382332), (8, 2536749), (9, 2254888), (12, 1691166), (18, 1127444), (24, 845583), (36, 563722), (72, 281861), (521, 38952), (541, 37512), (1042, 19476), (1082, 18756), (1563, 12984), (1623, 12504), (2084, 9738), (2164, 9378), (3126, 6492), (3246, 6252), (4168, 4869), (4328, 4689)]