20526638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 34933248

約数和(自身を除く): 14406610

約数列:

[1, 2, 11, 22, 37, 74, 151, 167, 302, 334, 407, 814, 1661, 1837, 3322, 3674, 5587, 6179, 11174, 12358, 25217, 50434, 61457, 67969, 122914, 135938, 277387, 554774, 933029, 1866058, 10263319, 20526638]

約数ペア:

[(1, 20526638), (2, 10263319), (11, 1866058), (22, 933029), (37, 554774), (74, 277387), (151, 135938), (167, 122914), (302, 67969), (334, 61457), (407, 50434), (814, 25217), (1661, 12358), (1837, 11174), (3322, 6179), (3674, 5587)]