20438604

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29881}}^1$

素因数の和:29910

約数の個数: 36

約数和(自身を含む): 54385240

約数和(自身を除く): 33946636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 29881, 59762, 89643, 119524, 179286, 268929, 358572, 537858, 567739, 1075716, 1135478, 1703217, 2270956, 3406434, 5109651, 6812868, 10219302, 20438604]

約数ペア:

[(1, 20438604), (2, 10219302), (3, 6812868), (4, 5109651), (6, 3406434), (9, 2270956), (12, 1703217), (18, 1135478), (19, 1075716), (36, 567739), (38, 537858), (57, 358572), (76, 268929), (114, 179286), (171, 119524), (228, 89643), (342, 59762), (684, 29881)]