20979372

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{42641}}^1$

素因数の和:42689

約数の個数: 24

約数和(自身を含む): 50146992

約数和(自身を除く): 29167620

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 42641, 85282, 127923, 170564, 255846, 511692, 1748281, 3496562, 5244843, 6993124, 10489686, 20979372]

約数ペア:

[(1, 20979372), (2, 10489686), (3, 6993124), (4, 5244843), (6, 3496562), (12, 1748281), (41, 511692), (82, 255846), (123, 170564), (164, 127923), (246, 85282), (492, 42641)]