20104755

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 64

約数和(自身を含む): 37946880

約数和(自身を除く): 17842125

約数列:

[1, 3, 5, 11, 15, 19, 33, 53, 55, 57, 95, 121, 159, 165, 209, 265, 285, 363, 583, 605, 627, 795, 1007, 1045, 1331, 1749, 1815, 2299, 2915, 3021, 3135, 3993, 5035, 6413, 6655, 6897, 8745, 11077, 11495, 15105, 19239, 19965, 25289, 32065, 33231, 34485, 55385, 70543, 75867, 96195, 121847, 126445, 166155, 211629, 352715, 365541, 379335, 609235, 1058145, 1340317, 1827705, 4020951, 6701585, 20104755]

約数ペア:

[(1, 20104755), (3, 6701585), (5, 4020951), (11, 1827705), (15, 1340317), (19, 1058145), (33, 609235), (53, 379335), (55, 365541), (57, 352715), (95, 211629), (121, 166155), (159, 126445), (165, 121847), (209, 96195), (265, 75867), (285, 70543), (363, 55385), (583, 34485), (605, 33231), (627, 32065), (795, 25289), (1007, 19965), (1045, 19239), (1331, 15105), (1749, 11495), (1815, 11077), (2299, 8745), (2915, 6897), (3021, 6655), (3135, 6413), (3993, 5035)]