20530250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6317}}^1$

素因数の和:6347

約数の個数: 32

約数和(自身を含む): 41395536

約数和(自身を除く): 20865286

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6317, 12634, 31585, 63170, 82121, 157925, 164242, 315850, 410605, 789625, 821210, 1579250, 2053025, 4106050, 10265125, 20530250]

約数ペア:

[(1, 20530250), (2, 10265125), (5, 4106050), (10, 2053025), (13, 1579250), (25, 821210), (26, 789625), (50, 410605), (65, 315850), (125, 164242), (130, 157925), (250, 82121), (325, 63170), (650, 31585), (1625, 12634), (3250, 6317)]