20365408090

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22882481}}^1$

素因数の和:22882577

約数の個数: 16

約数和(自身を含む): 37069620840

約数和(自身を除く): 16704212750

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22882481, 45764962, 114412405, 228824810, 2036540809, 4073081618, 10182704045, 20365408090]

約数ペア:

[(1, 20365408090), (2, 10182704045), (5, 4073081618), (10, 2036540809), (89, 228824810), (178, 114412405), (445, 45764962), (890, 22882481)]