20966250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{5591}}^1$

素因数の和:5616

約数の個数: 40

約数和(自身を含む): 52408224

約数和(自身を除く): 31441974

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 5591, 11182, 16773, 27955, 33546, 55910, 83865, 139775, 167730, 279550, 419325, 698875, 838650, 1397750, 2096625, 3494375, 4193250, 6988750, 10483125, 20966250]

約数ペア:

[(1, 20966250), (2, 10483125), (3, 6988750), (5, 4193250), (6, 3494375), (10, 2096625), (15, 1397750), (25, 838650), (30, 698875), (50, 419325), (75, 279550), (125, 167730), (150, 139775), (250, 83865), (375, 55910), (625, 33546), (750, 27955), (1250, 16773), (1875, 11182), (3750, 5591)]