101920208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{490001}}^1$

素因数の和:490022

約数の個数: 20

約数和(自身を含む): 212660868

約数和(自身を除く): 110740660

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 490001, 980002, 1960004, 3920008, 6370013, 7840016, 12740026, 25480052, 50960104, 101920208]

約数ペア:

[(1, 101920208), (2, 50960104), (4, 25480052), (8, 12740026), (13, 7840016), (16, 6370013), (26, 3920008), (52, 1960004), (104, 980002), (208, 490001)]