20254840

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2927}}^1$

素因数の和:3111

約数の個数: 32

約数和(自身を含む): 45852480

約数和(自身を除く): 25597640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 2927, 3460, 5854, 6920, 11708, 14635, 23416, 29270, 58540, 117080, 506371, 1012742, 2025484, 2531855, 4050968, 5063710, 10127420, 20254840]

約数ペア:

[(1, 20254840), (2, 10127420), (4, 5063710), (5, 4050968), (8, 2531855), (10, 2025484), (20, 1012742), (40, 506371), (173, 117080), (346, 58540), (692, 29270), (865, 23416), (1384, 14635), (1730, 11708), (2927, 6920), (3460, 5854)]