20936270

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 17982610

約数列:

[1, 2, 5, 10, 43, 86, 181, 215, 269, 362, 430, 538, 905, 1345, 1810, 2690, 7783, 11567, 15566, 23134, 38915, 48689, 57835, 77830, 97378, 115670, 243445, 486890, 2093627, 4187254, 10468135, 20936270]

約数ペア:

[(1, 20936270), (2, 10468135), (5, 4187254), (10, 2093627), (43, 486890), (86, 243445), (181, 115670), (215, 97378), (269, 77830), (362, 57835), (430, 48689), (538, 38915), (905, 23134), (1345, 15566), (1810, 11567), (2690, 7783)]