20206860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5521}}^1$

素因数の和:5594

約数の個数: 48

約数和(自身を含む): 57517152

約数和(自身を除く): 37310292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5521, 11042, 16563, 22084, 27605, 33126, 55210, 66252, 82815, 110420, 165630, 331260, 336781, 673562, 1010343, 1347124, 1683905, 2020686, 3367810, 4041372, 5051715, 6735620, 10103430, 20206860]

約数ペア:

[(1, 20206860), (2, 10103430), (3, 6735620), (4, 5051715), (5, 4041372), (6, 3367810), (10, 2020686), (12, 1683905), (15, 1347124), (20, 1010343), (30, 673562), (60, 336781), (61, 331260), (122, 165630), (183, 110420), (244, 82815), (305, 66252), (366, 55210), (610, 33126), (732, 27605), (915, 22084), (1220, 16563), (1830, 11042), (3660, 5521)]