20509350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1873}}^1$

素因数の和:1961

約数の個数: 48

約数和(自身を含む): 51587472

約数和(自身を除く): 31078122

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 73, 75, 146, 150, 219, 365, 438, 730, 1095, 1825, 1873, 2190, 3650, 3746, 5475, 5619, 9365, 10950, 11238, 18730, 28095, 46825, 56190, 93650, 136729, 140475, 273458, 280950, 410187, 683645, 820374, 1367290, 2050935, 3418225, 4101870, 6836450, 10254675, 20509350]

約数ペア:

[(1, 20509350), (2, 10254675), (3, 6836450), (5, 4101870), (6, 3418225), (10, 2050935), (15, 1367290), (25, 820374), (30, 683645), (50, 410187), (73, 280950), (75, 273458), (146, 140475), (150, 136729), (219, 93650), (365, 56190), (438, 46825), (730, 28095), (1095, 18730), (1825, 11238), (1873, 10950), (2190, 9365), (3650, 5619), (3746, 5475)]