20085160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29537}}^1$

素因数の和:29565

約数の個数: 32

約数和(自身を含む): 47851560

約数和(自身を除く): 27766400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29537, 59074, 118148, 147685, 236296, 295370, 502129, 590740, 1004258, 1181480, 2008516, 2510645, 4017032, 5021290, 10042580, 20085160]

約数ペア:

[(1, 20085160), (2, 10042580), (4, 5021290), (5, 4017032), (8, 2510645), (10, 2008516), (17, 1181480), (20, 1004258), (34, 590740), (40, 502129), (68, 295370), (85, 236296), (136, 147685), (170, 118148), (340, 59074), (680, 29537)]