20373279568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{3631}}^1\times {\mathrm{18457}}^1$

素因数の和:22115

約数の個数: 40

約数和(自身を含む): 41564462720

約数和(自身を除く): 21191183152

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 3631, 7262, 14524, 18457, 29048, 36914, 58096, 68989, 73828, 137978, 147656, 275956, 295312, 350683, 551912, 701366, 1103824, 1402732, 2805464, 5610928, 67017367, 134034734, 268069468, 536138936, 1072277872, 1273329973, 2546659946, 5093319892, 10186639784, 20373279568]

約数ペア:

[(1, 20373279568), (2, 10186639784), (4, 5093319892), (8, 2546659946), (16, 1273329973), (19, 1072277872), (38, 536138936), (76, 268069468), (152, 134034734), (304, 67017367), (3631, 5610928), (7262, 2805464), (14524, 1402732), (18457, 1103824), (29048, 701366), (36914, 551912), (58096, 350683), (68989, 295312), (73828, 275956), (137978, 147656)]