20218260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1063}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 56843136

約数和(自身を除く): 36624876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 951, 1063, 1268, 1585, 1902, 2126, 3170, 3189, 3804, 4252, 4755, 5315, 6340, 6378, 9510, 10630, 12756, 15945, 19020, 21260, 31890, 63780, 336971, 673942, 1010913, 1347884, 1684855, 2021826, 3369710, 4043652, 5054565, 6739420, 10109130, 20218260]

約数ペア:

[(1, 20218260), (2, 10109130), (3, 6739420), (4, 5054565), (5, 4043652), (6, 3369710), (10, 2021826), (12, 1684855), (15, 1347884), (20, 1010913), (30, 673942), (60, 336971), (317, 63780), (634, 31890), (951, 21260), (1063, 19020), (1268, 15945), (1585, 12756), (1902, 10630), (2126, 9510), (3170, 6378), (3189, 6340), (3804, 5315), (4252, 4755)]