20409107905

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{3727}}^1\times {\mathrm{7253}}^1$

素因数の和:11136

約数の個数: 16

約数和(自身を含む): 24663135744

約数和(自身を除く): 4254027839

約数列:

[1, 5, 151, 755, 3727, 7253, 18635, 36265, 562777, 1095203, 2813885, 5476015, 27031931, 135159655, 4081821581, 20409107905]

約数ペア:

[(1, 20409107905), (5, 4081821581), (151, 135159655), (755, 27031931), (3727, 5476015), (7253, 2813885), (18635, 1095203), (36265, 562777)]