20398049273

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1\times {\mathrm{80611}}^1$

素因数の和:81632

約数の個数: 16

約数和(自身を含む): 23966914944

約数和(自身を除く): 3568865671

約数列:

[1, 7, 37, 259, 977, 6839, 36149, 80611, 253043, 564277, 2982607, 20878249, 78756947, 551298629, 2914007039, 20398049273]

約数ペア:

[(1, 20398049273), (7, 2914007039), (37, 551298629), (259, 78756947), (977, 20878249), (6839, 2982607), (36149, 564277), (80611, 253043)]