20784370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1187}}^1$

素因数の和:1314

約数の個数: 32

約数和(自身を含む): 40030848

約数和(自身を除く): 19246478

約数列:

[1, 2, 5, 10, 17, 34, 85, 103, 170, 206, 515, 1030, 1187, 1751, 2374, 3502, 5935, 8755, 11870, 17510, 20179, 40358, 100895, 122261, 201790, 244522, 611305, 1222610, 2078437, 4156874, 10392185, 20784370]

約数ペア:

[(1, 20784370), (2, 10392185), (5, 4156874), (10, 2078437), (17, 1222610), (34, 611305), (85, 244522), (103, 201790), (170, 122261), (206, 100895), (515, 40358), (1030, 20179), (1187, 17510), (1751, 11870), (2374, 8755), (3502, 5935)]