20476625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{12601}}^1$

素因数の和:12629

約数の個数: 16

約数和(自身を含む): 27522768

約数和(自身を除く): 7046143

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 12601, 63005, 163813, 315025, 819065, 1575125, 4095325, 20476625]

約数ペア:

[(1, 20476625), (5, 4095325), (13, 1575125), (25, 819065), (65, 315025), (125, 163813), (325, 63005), (1625, 12601)]