20473805

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 27668256

約数和(自身を除く): 7194451

約数列:

[1, 5, 11, 43, 55, 121, 215, 473, 605, 787, 2365, 3935, 5203, 8657, 26015, 33841, 43285, 95227, 169205, 372251, 476135, 1861255, 4094761, 20473805]

約数ペア:

[(1, 20473805), (5, 4094761), (11, 1861255), (43, 476135), (55, 372251), (121, 169205), (215, 95227), (473, 43285), (605, 33841), (787, 26015), (2365, 8657), (3935, 5203)]