20551492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7457}}^1$

素因数の和:7527

約数の個数: 24

約数和(自身を含む): 39467736

約数和(自身を除く): 18916244

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7457, 14914, 29828, 96941, 193882, 387764, 395221, 790442, 1580884, 5137873, 10275746, 20551492]

約数ペア:

[(1, 20551492), (2, 10275746), (4, 5137873), (13, 1580884), (26, 790442), (52, 395221), (53, 387764), (106, 193882), (212, 96941), (689, 29828), (1378, 14914), (2756, 7457)]