20888921375

素因数分解:

$5^3\times 7^1\times {\mathrm{1213}}^1\times {\mathrm{19681}}^1$

素因数の和:20916

約数の個数: 32

約数和(自身を含む): 29819647104

約数和(自身を除く): 8930725729

約数列:

[1, 5, 7, 25, 35, 125, 175, 875, 1213, 6065, 8491, 19681, 30325, 42455, 98405, 137767, 151625, 212275, 492025, 688835, 1061375, 2460125, 3444175, 17220875, 23873053, 119365265, 167111371, 596826325, 835556855, 2984131625, 4177784275, 20888921375]

約数ペア:

[(1, 20888921375), (5, 4177784275), (7, 2984131625), (25, 835556855), (35, 596826325), (125, 167111371), (175, 119365265), (875, 23873053), (1213, 17220875), (6065, 3444175), (8491, 2460125), (19681, 1061375), (30325, 688835), (42455, 492025), (98405, 212275), (137767, 151625)]