20963833

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 25546752

約数和(自身を除く): 4582919

約数列:

[1, 11, 23, 41, 43, 47, 253, 451, 473, 517, 943, 989, 1081, 1763, 1927, 2021, 10373, 10879, 11891, 19393, 21197, 22231, 40549, 44321, 46483, 82861, 446039, 487531, 511313, 911471, 1905803, 20963833]

約数ペア:

[(1, 20963833), (11, 1905803), (23, 911471), (41, 511313), (43, 487531), (47, 446039), (253, 82861), (451, 46483), (473, 44321), (517, 40549), (943, 22231), (989, 21197), (1081, 19393), (1763, 11891), (1927, 10879), (2021, 10373)]