20379690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1783}}^1$

素因数の和:1923

約数の個数: 48

約数和(自身を含む): 53434368

約数和(自身を除く): 33054678

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 127, 254, 381, 635, 762, 1143, 1270, 1783, 1905, 2286, 3566, 3810, 5349, 5715, 8915, 10698, 11430, 16047, 17830, 26745, 32094, 53490, 80235, 160470, 226441, 452882, 679323, 1132205, 1358646, 2037969, 2264410, 3396615, 4075938, 6793230, 10189845, 20379690]

約数ペア:

[(1, 20379690), (2, 10189845), (3, 6793230), (5, 4075938), (6, 3396615), (9, 2264410), (10, 2037969), (15, 1358646), (18, 1132205), (30, 679323), (45, 452882), (90, 226441), (127, 160470), (254, 80235), (381, 53490), (635, 32094), (762, 26745), (1143, 17830), (1270, 16047), (1783, 11430), (1905, 10698), (2286, 8915), (3566, 5715), (3810, 5349)]