20949510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2521}}^1$

素因数の和:2808

約数の個数: 32

約数和(自身を含む): 50480352

約数和(自身を除く): 29530842

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 277, 554, 831, 1385, 1662, 2521, 2770, 4155, 5042, 7563, 8310, 12605, 15126, 25210, 37815, 75630, 698317, 1396634, 2094951, 3491585, 4189902, 6983170, 10474755, 20949510]

約数ペア:

[(1, 20949510), (2, 10474755), (3, 6983170), (5, 4189902), (6, 3491585), (10, 2094951), (15, 1396634), (30, 698317), (277, 75630), (554, 37815), (831, 25210), (1385, 15126), (1662, 12605), (2521, 8310), (2770, 7563), (4155, 5042)]