20878590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1571}}^1$

素因数の和:2024

約数の個数: 32

約数和(自身を含む): 50253696

約数和(自身を除く): 29375106

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 443, 886, 1329, 1571, 2215, 2658, 3142, 4430, 4713, 6645, 7855, 9426, 13290, 15710, 23565, 47130, 695953, 1391906, 2087859, 3479765, 4175718, 6959530, 10439295, 20878590]

約数ペア:

[(1, 20878590), (2, 10439295), (3, 6959530), (5, 4175718), (6, 3479765), (10, 2087859), (15, 1391906), (30, 695953), (443, 47130), (886, 23565), (1329, 15710), (1571, 13290), (2215, 9426), (2658, 7855), (3142, 6645), (4430, 4713)]