20877720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173981}}^1$

素因数の和:173995

約数の個数: 32

約数和(自身を含む): 62633520

約数和(自身を除く): 41755800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173981, 347962, 521943, 695924, 869905, 1043886, 1391848, 1739810, 2087772, 2609715, 3479620, 4175544, 5219430, 6959240, 10438860, 20877720]

約数ペア:

[(1, 20877720), (2, 10438860), (3, 6959240), (4, 5219430), (5, 4175544), (6, 3479620), (8, 2609715), (10, 2087772), (12, 1739810), (15, 1391848), (20, 1043886), (24, 869905), (30, 695924), (40, 521943), (60, 347962), (120, 173981)]