20950750

素因数分解:

$2^1\times 5^3\times {\mathrm{181}}^1\times {\mathrm{463}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 39521664

約数和(自身を除く): 18570914

約数列:

[1, 2, 5, 10, 25, 50, 125, 181, 250, 362, 463, 905, 926, 1810, 2315, 4525, 4630, 9050, 11575, 22625, 23150, 45250, 57875, 83803, 115750, 167606, 419015, 838030, 2095075, 4190150, 10475375, 20950750]

約数ペア:

[(1, 20950750), (2, 10475375), (5, 4190150), (10, 2095075), (25, 838030), (50, 419015), (125, 167606), (181, 115750), (250, 83803), (362, 57875), (463, 45250), (905, 23150), (926, 22625), (1810, 11575), (2315, 9050), (4525, 4630)]