20023665

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 33125760

約数和(自身を除く): 13102095

約数列:

[1, 3, 5, 15, 53, 89, 159, 265, 267, 283, 445, 795, 849, 1335, 1415, 4245, 4717, 14151, 14999, 23585, 25187, 44997, 70755, 74995, 75561, 125935, 224985, 377805, 1334911, 4004733, 6674555, 20023665]

約数ペア:

[(1, 20023665), (3, 6674555), (5, 4004733), (15, 1334911), (53, 377805), (89, 224985), (159, 125935), (265, 75561), (267, 74995), (283, 70755), (445, 44997), (795, 25187), (849, 23585), (1335, 14999), (1415, 14151), (4245, 4717)]