20603792

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{701}}^1$

素因数の和:887

約数の個数: 40

約数和(自身を含む): 43872192

約数和(自身を除く): 23268400

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 167, 176, 334, 668, 701, 1336, 1402, 1837, 2672, 2804, 3674, 5608, 7348, 7711, 11216, 14696, 15422, 29392, 30844, 61688, 117067, 123376, 234134, 468268, 936536, 1287737, 1873072, 2575474, 5150948, 10301896, 20603792]

約数ペア:

[(1, 20603792), (2, 10301896), (4, 5150948), (8, 2575474), (11, 1873072), (16, 1287737), (22, 936536), (44, 468268), (88, 234134), (167, 123376), (176, 117067), (334, 61688), (668, 30844), (701, 29392), (1336, 15422), (1402, 14696), (1837, 11216), (2672, 7711), (2804, 7348), (3674, 5608)]