20177660

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2749}}^1$

素因数の和:3125

約数の個数: 24

約数和(自身を含む): 42504000

約数和(自身を除く): 22326340

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 2749, 3670, 5498, 7340, 10996, 13745, 27490, 54980, 1008883, 2017766, 4035532, 5044415, 10088830, 20177660]

約数ペア:

[(1, 20177660), (2, 10088830), (4, 5044415), (5, 4035532), (10, 2017766), (20, 1008883), (367, 54980), (734, 27490), (1468, 13745), (1835, 10996), (2749, 7340), (3670, 5498)]