20178808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{194027}}^1$

素因数の和:194046

約数の個数: 16

約数和(自身を含む): 40745880

約数和(自身を除く): 20567072

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 194027, 388054, 776108, 1552216, 2522351, 5044702, 10089404, 20178808]

約数ペア:

[(1, 20178808), (2, 10089404), (4, 5044702), (8, 2522351), (13, 1552216), (26, 776108), (52, 388054), (104, 194027)]