20826964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6373}}^1$

素因数の和:6439

約数の個数: 24

約数和(自身を含む): 39263840

約数和(自身を除く): 18436876

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 6373, 12746, 25492, 121087, 242174, 274039, 484348, 548078, 1096156, 5206741, 10413482, 20826964]

約数ペア:

[(1, 20826964), (2, 10413482), (4, 5206741), (19, 1096156), (38, 548078), (43, 484348), (76, 274039), (86, 242174), (172, 121087), (817, 25492), (1634, 12746), (3268, 6373)]