20478522045

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1697}}^1\times {\mathrm{17117}}^1$

素因数の和:18869

約数の個数: 32

約数和(自身を含む): 33484451328

約数和(自身を除く): 13005929283

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 1697, 5091, 8485, 17117, 25455, 51351, 79759, 85585, 239277, 256755, 398795, 804499, 1196385, 2413497, 4022495, 12067485, 29047549, 87142647, 145237745, 435713235, 1365234803, 4095704409, 6826174015, 20478522045]

約数ペア:

[(1, 20478522045), (3, 6826174015), (5, 4095704409), (15, 1365234803), (47, 435713235), (141, 145237745), (235, 87142647), (705, 29047549), (1697, 12067485), (5091, 4022495), (8485, 2413497), (17117, 1196385), (25455, 804499), (51351, 398795), (79759, 256755), (85585, 239277)]