20778761

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1$

素因数の和:968

約数の個数: 16

約数和(自身を含む): 23179200

約数和(自身を除く): 2400439

約数列:

[1, 19, 29, 43, 551, 817, 877, 1247, 16663, 23693, 25433, 37711, 483227, 716509, 1093619, 20778761]

約数ペア:

[(1, 20778761), (19, 1093619), (29, 716509), (43, 483227), (551, 37711), (817, 25433), (877, 23693), (1247, 16663)]