20558860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146849}}^1$

素因数の和:146865

約数の個数: 24

約数和(自身を含む): 49341600

約数和(自身を除く): 28782740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146849, 293698, 587396, 734245, 1027943, 1468490, 2055886, 2936980, 4111772, 5139715, 10279430, 20558860]

約数ペア:

[(1, 20558860), (2, 10279430), (4, 5139715), (5, 4111772), (7, 2936980), (10, 2055886), (14, 1468490), (20, 1027943), (28, 734245), (35, 587396), (70, 293698), (140, 146849)]