20199231332

素因数分解:

$2^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{709}}^1\times {\mathrm{1999}}^1$

素因数の和:3228

約数の個数: 48

約数和(自身を含む): 40555200000

約数和(自身を除く): 20355968668

約数列:

[1, 2, 4, 7, 14, 28, 509, 709, 1018, 1418, 1999, 2036, 2836, 3563, 3998, 4963, 7126, 7996, 9926, 13993, 14252, 19852, 27986, 55972, 360881, 721762, 1017491, 1417291, 1443524, 2034982, 2526167, 2834582, 4069964, 5052334, 5669164, 7122437, 9921037, 10104668, 14244874, 19842074, 28489748, 39684148, 721401119, 1442802238, 2885604476, 5049807833, 10099615666, 20199231332]

約数ペア:

[(1, 20199231332), (2, 10099615666), (4, 5049807833), (7, 2885604476), (14, 1442802238), (28, 721401119), (509, 39684148), (709, 28489748), (1018, 19842074), (1418, 14244874), (1999, 10104668), (2036, 9921037), (2836, 7122437), (3563, 5669164), (3998, 5052334), (4963, 4069964), (7126, 2834582), (7996, 2526167), (9926, 2034982), (13993, 1443524), (14252, 1417291), (19852, 1017491), (27986, 721762), (55972, 360881)]