20443284

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3617}}^1$

素因数の和:3784

約数の個数: 36

約数和(自身を含む): 52019604

約数和(自身を除く): 31576320

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3617, 5652, 7234, 10851, 14468, 21702, 32553, 43404, 65106, 130212, 567869, 1135738, 1703607, 2271476, 3407214, 5110821, 6814428, 10221642, 20443284]

約数ペア:

[(1, 20443284), (2, 10221642), (3, 6814428), (4, 5110821), (6, 3407214), (9, 2271476), (12, 1703607), (18, 1135738), (36, 567869), (157, 130212), (314, 65106), (471, 43404), (628, 32553), (942, 21702), (1413, 14468), (1884, 10851), (2826, 7234), (3617, 5652)]