20193795

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8467}}^1$

素因数の和:8531

約数の個数: 24

約数和(自身を含む): 35667216

約数和(自身を除く): 15473421

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 8467, 25401, 42335, 76203, 127005, 381015, 448751, 1346253, 2243755, 4038759, 6731265, 20193795]

約数ペア:

[(1, 20193795), (3, 6731265), (5, 4038759), (9, 2243755), (15, 1346253), (45, 448751), (53, 381015), (159, 127005), (265, 76203), (477, 42335), (795, 25401), (2385, 8467)]