20028040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29453}}^1$

素因数の和:29481

約数の個数: 32

約数和(自身を含む): 47715480

約数和(自身を除く): 27687440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29453, 58906, 117812, 147265, 235624, 294530, 500701, 589060, 1001402, 1178120, 2002804, 2503505, 4005608, 5007010, 10014020, 20028040]

約数ペア:

[(1, 20028040), (2, 10014020), (4, 5007010), (5, 4005608), (8, 2503505), (10, 2002804), (17, 1178120), (20, 1001402), (34, 589060), (40, 500701), (68, 294530), (85, 235624), (136, 147265), (170, 117812), (340, 58906), (680, 29453)]