20129063619

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2655199}}^1$

素因数の和:2655247

約数の個数: 24

約数和(自身を含む): 32372198400

約数和(自身を除く): 12243134781

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 2655199, 7965597, 18586393, 50448781, 55759179, 151346343, 353141467, 958526839, 1059424401, 2875580517, 6709687873, 20129063619]

約数ペア:

[(1, 20129063619), (3, 6709687873), (7, 2875580517), (19, 1059424401), (21, 958526839), (57, 353141467), (133, 151346343), (361, 55759179), (399, 50448781), (1083, 18586393), (2527, 7965597), (7581, 2655199)]