20686443354

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{26726671}}^1$

素因数の和:26726722

約数の個数: 24

約数和(自身を含む): 45862969152

約数和(自身を除く): 25176525798

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 26726671, 53453342, 80180013, 160360026, 240540039, 481080078, 1149246853, 2298493706, 3447740559, 6895481118, 10343221677, 20686443354]

約数ペア:

[(1, 20686443354), (2, 10343221677), (3, 6895481118), (6, 3447740559), (9, 2298493706), (18, 1149246853), (43, 481080078), (86, 240540039), (129, 160360026), (258, 80180013), (387, 53453342), (774, 26726671)]