20194100

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{2269}}^1$

素因数の和:2372

約数の個数: 36

約数和(自身を含む): 44333100

約数和(自身を除く): 24139000

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1780, 2225, 2269, 4450, 4538, 8900, 9076, 11345, 22690, 45380, 56725, 113450, 201941, 226900, 403882, 807764, 1009705, 2019410, 4038820, 5048525, 10097050, 20194100]

約数ペア:

[(1, 20194100), (2, 10097050), (4, 5048525), (5, 4038820), (10, 2019410), (20, 1009705), (25, 807764), (50, 403882), (89, 226900), (100, 201941), (178, 113450), (356, 56725), (445, 45380), (890, 22690), (1780, 11345), (2225, 9076), (2269, 8900), (4450, 4538)]