20357072

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{601}}^1$

素因数の和:711

約数の個数: 40

約数和(自身を含む): 41429640

約数和(自身を除く): 21072568

約数列:

[1, 2, 4, 8, 16, 29, 58, 73, 116, 146, 232, 292, 464, 584, 601, 1168, 1202, 2117, 2404, 4234, 4808, 8468, 9616, 16936, 17429, 33872, 34858, 43873, 69716, 87746, 139432, 175492, 278864, 350984, 701968, 1272317, 2544634, 5089268, 10178536, 20357072]

約数ペア:

[(1, 20357072), (2, 10178536), (4, 5089268), (8, 2544634), (16, 1272317), (29, 701968), (58, 350984), (73, 278864), (116, 175492), (146, 139432), (232, 87746), (292, 69716), (464, 43873), (584, 34858), (601, 33872), (1168, 17429), (1202, 16936), (2117, 9616), (2404, 8468), (4234, 4808)]