20197328

素因数分解:

$2^4\times {\mathrm{349}}^1\times {\mathrm{3617}}^1$

素因数の和:3974

約数の個数: 20

約数和(自身を含む): 39255300

約数和(自身を除く): 19057972

約数列:

[1, 2, 4, 8, 16, 349, 698, 1396, 2792, 3617, 5584, 7234, 14468, 28936, 57872, 1262333, 2524666, 5049332, 10098664, 20197328]

約数ペア:

[(1, 20197328), (2, 10098664), (4, 5049332), (8, 2524666), (16, 1262333), (349, 57872), (698, 28936), (1396, 14468), (2792, 7234), (3617, 5584)]