20095901

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2477}}^1$

素因数の和:2564

約数の個数: 16

約数和(自身を含む): 24581760

約数和(自身を除く): 4485859

約数列:

[1, 7, 19, 61, 133, 427, 1159, 2477, 8113, 17339, 47063, 151097, 329441, 1057679, 2870843, 20095901]

約数ペア:

[(1, 20095901), (7, 2870843), (19, 1057679), (61, 329441), (133, 151097), (427, 47063), (1159, 17339), (2477, 8113)]