20037784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8377}}^1$

素因数の和:8419

約数の個数: 32

約数和(自身を含む): 42225120

約数和(自身を除く): 22187336

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8377, 16754, 33508, 67016, 108901, 192671, 217802, 385342, 435604, 770684, 871208, 1541368, 2504723, 5009446, 10018892, 20037784]

約数ペア:

[(1, 20037784), (2, 10018892), (4, 5009446), (8, 2504723), (13, 1541368), (23, 871208), (26, 770684), (46, 435604), (52, 385342), (92, 217802), (104, 192671), (184, 108901), (299, 67016), (598, 33508), (1196, 16754), (2392, 8377)]