20961567415

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{385571}}^1$

素因数の和:385790

約数の個数: 16

約数和(自身を含む): 25651334016

約数和(自身を除く): 4689766601

約数列:

[1, 5, 83, 131, 415, 655, 10873, 54365, 385571, 1927855, 32002393, 50509801, 160011965, 252549005, 4192313483, 20961567415]

約数ペア:

[(1, 20961567415), (5, 4192313483), (83, 252549005), (131, 160011965), (415, 50509801), (655, 32002393), (10873, 1927855), (54365, 385571)]