20456425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1019}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 28078560

約数和(自身を除く): 7622135

約数列:

[1, 5, 11, 25, 55, 73, 275, 365, 803, 1019, 1825, 4015, 5095, 11209, 20075, 25475, 56045, 74387, 280225, 371935, 818257, 1859675, 4091285, 20456425]

約数ペア:

[(1, 20456425), (5, 4091285), (11, 1859675), (25, 818257), (55, 371935), (73, 280225), (275, 74387), (365, 56045), (803, 25475), (1019, 20075), (1825, 11209), (4015, 5095)]