20922097

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3347}}^1$

素因数の和:3420

約数の個数: 16

約数和(自身を含む): 25712640

約数和(自身を除く): 4790543

約数列:

[1, 7, 19, 47, 133, 329, 893, 3347, 6251, 23429, 63593, 157309, 445151, 1101163, 2988871, 20922097]

約数ペア:

[(1, 20922097), (7, 2988871), (19, 1101163), (47, 445151), (133, 157309), (329, 63593), (893, 23429), (3347, 6251)]