20129140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43759}}^1$

素因数の和:43791

約数の個数: 24

約数和(自身を含む): 44110080

約数和(自身を除く): 23980940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43759, 87518, 175036, 218795, 437590, 875180, 1006457, 2012914, 4025828, 5032285, 10064570, 20129140]

約数ペア:

[(1, 20129140), (2, 10064570), (4, 5032285), (5, 4025828), (10, 2012914), (20, 1006457), (23, 875180), (46, 437590), (92, 218795), (115, 175036), (230, 87518), (460, 43759)]