20906270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1429}}^1$

素因数の和:1473

約数の個数: 64

約数和(自身を含む): 49420800

約数和(自身を除く): 28514530

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1330, 1429, 1463, 2090, 2858, 2926, 7145, 7315, 10003, 14290, 14630, 15719, 20006, 27151, 31438, 50015, 54302, 78595, 100030, 110033, 135755, 157190, 190057, 220066, 271510, 298661, 380114, 550165, 597322, 950285, 1100330, 1493305, 1900570, 2090627, 2986610, 4181254, 10453135, 20906270]

約数ペア:

[(1, 20906270), (2, 10453135), (5, 4181254), (7, 2986610), (10, 2090627), (11, 1900570), (14, 1493305), (19, 1100330), (22, 950285), (35, 597322), (38, 550165), (55, 380114), (70, 298661), (77, 271510), (95, 220066), (110, 190057), (133, 157190), (154, 135755), (190, 110033), (209, 100030), (266, 78595), (385, 54302), (418, 50015), (665, 31438), (770, 27151), (1045, 20006), (1330, 15719), (1429, 14630), (1463, 14290), (2090, 10003), (2858, 7315), (2926, 7145)]