20148347821

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{761263}}^1$

素因数の和:761488

約数の個数: 16

約数和(自身を含む): 24360448000

約数和(自身を除く): 4212100179

約数列:

[1, 7, 19, 133, 199, 1393, 3781, 26467, 761263, 5328841, 14463997, 101247979, 151491337, 1060439359, 2878335403, 20148347821]

約数ペア:

[(1, 20148347821), (7, 2878335403), (19, 1060439359), (133, 151491337), (199, 101247979), (1393, 14463997), (3781, 5328841), (26467, 761263)]