20042425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{743}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 27123264

約数和(自身を除く): 7080839

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 743, 1079, 2075, 3715, 5395, 9659, 18575, 26975, 48295, 61669, 241475, 308345, 801697, 1541725, 4008485, 20042425]

約数ペア:

[(1, 20042425), (5, 4008485), (13, 1541725), (25, 801697), (65, 308345), (83, 241475), (325, 61669), (415, 48295), (743, 26975), (1079, 18575), (2075, 9659), (3715, 5395)]