20782770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^3\times {\mathrm{101}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 53170560

約数和(自身を除く): 32387790

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 101, 114, 190, 202, 285, 303, 361, 505, 570, 606, 722, 1010, 1083, 1515, 1805, 1919, 2166, 3030, 3610, 3838, 5415, 5757, 6859, 9595, 10830, 11514, 13718, 19190, 20577, 28785, 34295, 36461, 41154, 57570, 68590, 72922, 102885, 109383, 182305, 205770, 218766, 364610, 546915, 692759, 1093830, 1385518, 2078277, 3463795, 4156554, 6927590, 10391385, 20782770]

約数ペア:

[(1, 20782770), (2, 10391385), (3, 6927590), (5, 4156554), (6, 3463795), (10, 2078277), (15, 1385518), (19, 1093830), (30, 692759), (38, 546915), (57, 364610), (95, 218766), (101, 205770), (114, 182305), (190, 109383), (202, 102885), (285, 72922), (303, 68590), (361, 57570), (505, 41154), (570, 36461), (606, 34295), (722, 28785), (1010, 20577), (1083, 19190), (1515, 13718), (1805, 11514), (1919, 10830), (2166, 9595), (3030, 6859), (3610, 5757), (3838, 5415)]