20191952

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2441}}^1$

素因数の和:2507

約数の個数: 40

約数和(自身を含む): 43604352

約数和(自身を除く): 23412400

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 176, 188, 376, 517, 752, 1034, 2068, 2441, 4136, 4882, 8272, 9764, 19528, 26851, 39056, 53702, 107404, 114727, 214808, 229454, 429616, 458908, 917816, 1261997, 1835632, 2523994, 5047988, 10095976, 20191952]

約数ペア:

[(1, 20191952), (2, 10095976), (4, 5047988), (8, 2523994), (11, 1835632), (16, 1261997), (22, 917816), (44, 458908), (47, 429616), (88, 229454), (94, 214808), (176, 114727), (188, 107404), (376, 53702), (517, 39056), (752, 26851), (1034, 19528), (2068, 9764), (2441, 8272), (4136, 4882)]