20258225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{751}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 27414912

約数和(自身を除く): 7156687

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 751, 1079, 2075, 3755, 5395, 9763, 18775, 26975, 48815, 62333, 244075, 311665, 810329, 1558325, 4051645, 20258225]

約数ペア:

[(1, 20258225), (5, 4051645), (13, 1558325), (25, 810329), (65, 311665), (83, 244075), (325, 62333), (415, 48815), (751, 26975), (1079, 18775), (2075, 9763), (3755, 5395)]