20457871125

素因数分解:

$3^1\times 5^3\times {\mathrm{83}}^1\times {\mathrm{657281}}^1$

素因数の和:657382

約数の個数: 32

約数和(自身を含む): 34452093312

約数和(自身を除く): 13994222187

約数列:

[1, 3, 5, 15, 25, 75, 83, 125, 249, 375, 415, 1245, 2075, 6225, 10375, 31125, 657281, 1971843, 3286405, 9859215, 16432025, 49296075, 54554323, 82160125, 163662969, 246480375, 272771615, 818314845, 1363858075, 4091574225, 6819290375, 20457871125]

約数ペア:

[(1, 20457871125), (3, 6819290375), (5, 4091574225), (15, 1363858075), (25, 818314845), (75, 272771615), (83, 246480375), (125, 163662969), (249, 82160125), (375, 54554323), (415, 49296075), (1245, 16432025), (2075, 9859215), (6225, 3286405), (10375, 1971843), (31125, 657281)]