20892040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40177}}^1$

素因数の和:40201

約数の個数: 32

約数和(自身を含む): 50624280

約数和(自身を除く): 29732240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 40177, 80354, 160708, 200885, 321416, 401770, 522301, 803540, 1044602, 1607080, 2089204, 2611505, 4178408, 5223010, 10446020, 20892040]

約数ペア:

[(1, 20892040), (2, 10446020), (4, 5223010), (5, 4178408), (8, 2611505), (10, 2089204), (13, 1607080), (20, 1044602), (26, 803540), (40, 522301), (52, 401770), (65, 321416), (104, 200885), (130, 160708), (260, 80354), (520, 40177)]