20024660

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7643}}^1$

素因数の和:7783

約数の個数: 24

約数和(自身を含む): 42378336

約数和(自身を除く): 22353676

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7643, 15286, 30572, 38215, 76430, 152860, 1001233, 2002466, 4004932, 5006165, 10012330, 20024660]

約数ペア:

[(1, 20024660), (2, 10012330), (4, 5006165), (5, 4004932), (10, 2002466), (20, 1001233), (131, 152860), (262, 76430), (524, 38215), (655, 30572), (1310, 15286), (2620, 7643)]