20930876

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{971}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 38946096

約数和(自身を除く): 18015220

約数列:

[1, 2, 4, 17, 34, 68, 317, 634, 971, 1268, 1942, 3884, 5389, 10778, 16507, 21556, 33014, 66028, 307807, 615614, 1231228, 5232719, 10465438, 20930876]

約数ペア:

[(1, 20930876), (2, 10465438), (4, 5232719), (17, 1231228), (34, 615614), (68, 307807), (317, 66028), (634, 33014), (971, 21556), (1268, 16507), (1942, 10778), (3884, 5389)]