20136368

素因数分解:

$2^4\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1103}}^1$

素因数の和:1281

約数の個数: 40

約数和(自身を含む): 44901888

約数和(自身を除く): 24765520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 163, 326, 652, 1103, 1141, 1304, 2206, 2282, 2608, 4412, 4564, 7721, 8824, 9128, 15442, 17648, 18256, 30884, 61768, 123536, 179789, 359578, 719156, 1258523, 1438312, 2517046, 2876624, 5034092, 10068184, 20136368]

約数ペア:

[(1, 20136368), (2, 10068184), (4, 5034092), (7, 2876624), (8, 2517046), (14, 1438312), (16, 1258523), (28, 719156), (56, 359578), (112, 179789), (163, 123536), (326, 61768), (652, 30884), (1103, 18256), (1141, 17648), (1304, 15442), (2206, 9128), (2282, 8824), (2608, 7721), (4412, 4564)]