20695895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{659}}^1$

素因数の和:1246

約数の個数: 16

約数和(自身を含む): 27181440

約数和(自身を除く): 6485545

約数列:

[1, 5, 11, 55, 571, 659, 2855, 3295, 6281, 7249, 31405, 36245, 376289, 1881445, 4139179, 20695895]

約数ペア:

[(1, 20695895), (5, 4139179), (11, 1881445), (55, 376289), (571, 36245), (659, 31405), (2855, 7249), (3295, 6281)]