20533617

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{787}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 32125184

約数和(自身を除く): 11591567

約数列:

[1, 3, 9, 13, 39, 117, 223, 669, 787, 2007, 2361, 2899, 7083, 8697, 10231, 26091, 30693, 92079, 175501, 526503, 1579509, 2281513, 6844539, 20533617]

約数ペア:

[(1, 20533617), (3, 6844539), (9, 2281513), (13, 1579509), (39, 526503), (117, 175501), (223, 92079), (669, 30693), (787, 26091), (2007, 10231), (2361, 8697), (2899, 7083)]