20860312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1063}}^1$

素因数の和:1303

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 22040168

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223, 446, 892, 1063, 1784, 2126, 2453, 4252, 4906, 8504, 9812, 11693, 19624, 23386, 46772, 93544, 237049, 474098, 948196, 1896392, 2607539, 5215078, 10430156, 20860312]

約数ペア:

[(1, 20860312), (2, 10430156), (4, 5215078), (8, 2607539), (11, 1896392), (22, 948196), (44, 474098), (88, 237049), (223, 93544), (446, 46772), (892, 23386), (1063, 19624), (1784, 11693), (2126, 9812), (2453, 8504), (4252, 4906)]