20294500

素因数分解:

$2^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{1097}}^1$

素因数の和:1153

約数の個数: 48

約数和(自身を含む): 45562608

約数和(自身を除く): 25268108

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 125, 148, 185, 250, 370, 500, 740, 925, 1097, 1850, 2194, 3700, 4388, 4625, 5485, 9250, 10970, 18500, 21940, 27425, 40589, 54850, 81178, 109700, 137125, 162356, 202945, 274250, 405890, 548500, 811780, 1014725, 2029450, 4058900, 5073625, 10147250, 20294500]

約数ペア:

[(1, 20294500), (2, 10147250), (4, 5073625), (5, 4058900), (10, 2029450), (20, 1014725), (25, 811780), (37, 548500), (50, 405890), (74, 274250), (100, 202945), (125, 162356), (148, 137125), (185, 109700), (250, 81178), (370, 54850), (500, 40589), (740, 27425), (925, 21940), (1097, 18500), (1850, 10970), (2194, 9250), (3700, 5485), (4388, 4625)]