20760272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99809}}^1$

素因数の和:99830

約数の個数: 20

約数和(自身を含む): 43317540

約数和(自身を除く): 22557268

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99809, 199618, 399236, 798472, 1297517, 1596944, 2595034, 5190068, 10380136, 20760272]

約数ペア:

[(1, 20760272), (2, 10380136), (4, 5190068), (8, 2595034), (13, 1596944), (16, 1297517), (26, 798472), (52, 399236), (104, 199618), (208, 99809)]