20019154

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1\times {\mathrm{773}}^1$

素因数の和:1361

約数の個数: 16

約数和(自身を含む): 31430592

約数和(自身を除く): 11411438

約数列:

[1, 2, 23, 46, 563, 773, 1126, 1546, 12949, 17779, 25898, 35558, 435199, 870398, 10009577, 20019154]

約数ペア:

[(1, 20019154), (2, 10009577), (23, 870398), (46, 435199), (563, 35558), (773, 25898), (1126, 17779), (1546, 12949)]