20148575

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{523}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 26510208

約数和(自身を除く): 6361633

約数列:

[1, 5, 23, 25, 67, 115, 335, 523, 575, 1541, 1675, 2615, 7705, 12029, 13075, 35041, 38525, 60145, 175205, 300725, 805943, 876025, 4029715, 20148575]

約数ペア:

[(1, 20148575), (5, 4029715), (23, 876025), (25, 805943), (67, 300725), (115, 175205), (335, 60145), (523, 38525), (575, 35041), (1541, 13075), (1675, 12029), (2615, 7705)]