20457090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{75767}}^1$

素因数の和:75783

約数の個数: 32

約数和(自身を含む): 54552960

約数和(自身を除く): 34095870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 75767, 151534, 227301, 378835, 454602, 681903, 757670, 1136505, 1363806, 2045709, 2273010, 3409515, 4091418, 6819030, 10228545, 20457090]

約数ペア:

[(1, 20457090), (2, 10228545), (3, 6819030), (5, 4091418), (6, 3409515), (9, 2273010), (10, 2045709), (15, 1363806), (18, 1136505), (27, 757670), (30, 681903), (45, 454602), (54, 378835), (90, 227301), (135, 151534), (270, 75767)]