20456272

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8467}}^1$

素因数の和:8626

約数の個数: 20

約数和(自身を含む): 39901216

約数和(自身を除く): 19444944

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8467, 16934, 33868, 67736, 135472, 1278517, 2557034, 5114068, 10228136, 20456272]

約数ペア:

[(1, 20456272), (2, 10228136), (4, 5114068), (8, 2557034), (16, 1278517), (151, 135472), (302, 67736), (604, 33868), (1208, 16934), (2416, 8467)]