20328272

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{2281}}^1$

素因数の和:2846

約数の個数: 20

約数和(自身を含む): 39474036

約数和(自身を除く): 19145764

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 2281, 4456, 4562, 8912, 9124, 18248, 36496, 1270517, 2541034, 5082068, 10164136, 20328272]

約数ペア:

[(1, 20328272), (2, 10164136), (4, 5082068), (8, 2541034), (16, 1270517), (557, 36496), (1114, 18248), (2228, 9124), (2281, 8912), (4456, 4562)]