20891382

素因数分解:

$2^1\times 3^1\times {\mathrm{181}}^1\times {\mathrm{19237}}^1$

素因数の和:19423

約数の個数: 16

約数和(自身を含む): 42015792

約数和(自身を除く): 21124410

約数列:

[1, 2, 3, 6, 181, 362, 543, 1086, 19237, 38474, 57711, 115422, 3481897, 6963794, 10445691, 20891382]

約数ペア:

[(1, 20891382), (2, 10445691), (3, 6963794), (6, 3481897), (181, 115422), (362, 57711), (543, 38474), (1086, 19237)]