20031644

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1321}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 37312128

約数和(自身を除く): 17280484

約数列:

[1, 2, 4, 17, 34, 68, 223, 446, 892, 1321, 2642, 3791, 5284, 7582, 15164, 22457, 44914, 89828, 294583, 589166, 1178332, 5007911, 10015822, 20031644]

約数ペア:

[(1, 20031644), (2, 10015822), (4, 5007911), (17, 1178332), (34, 589166), (68, 294583), (223, 89828), (446, 44914), (892, 22457), (1321, 15164), (2642, 7582), (3791, 5284)]