20256609

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1567}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 28098560

約数和(自身を除く): 7841951

約数列:

[1, 3, 31, 93, 139, 417, 1567, 4309, 4701, 12927, 48577, 145731, 217813, 653439, 6752203, 20256609]

約数ペア:

[(1, 20256609), (3, 6752203), (31, 653439), (93, 217813), (139, 145731), (417, 48577), (1567, 12927), (4309, 4701)]