20463404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2039}}^1$

素因数の和:2249

約数の個数: 24

約数和(自身を含む): 38784480

約数和(自身を除く): 18321076

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 2039, 2509, 4078, 5018, 8156, 10036, 26507, 53014, 106028, 393527, 787054, 1574108, 5115851, 10231702, 20463404]

約数ペア:

[(1, 20463404), (2, 10231702), (4, 5115851), (13, 1574108), (26, 787054), (52, 393527), (193, 106028), (386, 53014), (772, 26507), (2039, 10036), (2509, 8156), (4078, 5018)]