20454107770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120318281}}^1$

素因数の和:120318305

約数の個数: 16

約数和(自身を含む): 38983123368

約数和(自身を除く): 18529015598

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 120318281, 240636562, 601591405, 1203182810, 2045410777, 4090821554, 10227053885, 20454107770]

約数ペア:

[(1, 20454107770), (2, 10227053885), (5, 4090821554), (10, 2045410777), (17, 1203182810), (34, 601591405), (85, 240636562), (170, 120318281)]