20848340

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2281}}^1$

素因数の和:2747

約数の個数: 24

約数和(自身を含む): 43896552

約数和(自身を除く): 23048212

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2281, 2285, 4562, 4570, 9124, 9140, 11405, 22810, 45620, 1042417, 2084834, 4169668, 5212085, 10424170, 20848340]

約数ペア:

[(1, 20848340), (2, 10424170), (4, 5212085), (5, 4169668), (10, 2084834), (20, 1042417), (457, 45620), (914, 22810), (1828, 11405), (2281, 9140), (2285, 9124), (4562, 4570)]