20354061

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10651}}^1$

素因数の和:10681

約数の個数: 24

約数和(自身を含む): 34001184

約数和(自身を除く): 13647123

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10651, 31953, 74557, 138463, 223671, 415389, 521899, 969241, 1565697, 2907723, 6784687, 20354061]

約数ペア:

[(1, 20354061), (3, 6784687), (7, 2907723), (13, 1565697), (21, 969241), (39, 521899), (49, 415389), (91, 223671), (147, 138463), (273, 74557), (637, 31953), (1911, 10651)]