20692750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6367}}^1$

素因数の和:6397

約数の個数: 32

約数和(自身を含む): 41723136

約数和(自身を除く): 21030386

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6367, 12734, 31835, 63670, 82771, 159175, 165542, 318350, 413855, 795875, 827710, 1591750, 2069275, 4138550, 10346375, 20692750]

約数ペア:

[(1, 20692750), (2, 10346375), (5, 4138550), (10, 2069275), (13, 1591750), (25, 827710), (26, 795875), (50, 413855), (65, 318350), (125, 165542), (130, 159175), (250, 82771), (325, 63670), (650, 31835), (1625, 12734), (3250, 6367)]