20178076760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2857}}^1\times {\mathrm{9293}}^1$

素因数の和:12180

約数の個数: 64

約数和(自身を含む): 47812053600

約数和(自身を除く): 27633976840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2857, 5714, 9293, 11428, 14285, 18586, 22856, 28570, 37172, 46465, 54283, 57140, 74344, 92930, 108566, 114280, 176567, 185860, 217132, 271415, 353134, 371720, 434264, 542830, 706268, 882835, 1085660, 1412536, 1765670, 2171320, 3531340, 7062680, 26550101, 53100202, 106200404, 132750505, 212400808, 265501010, 504451919, 531002020, 1008903838, 1062004040, 2017807676, 2522259595, 4035615352, 5044519190, 10089038380, 20178076760]

約数ペア:

[(1, 20178076760), (2, 10089038380), (4, 5044519190), (5, 4035615352), (8, 2522259595), (10, 2017807676), (19, 1062004040), (20, 1008903838), (38, 531002020), (40, 504451919), (76, 265501010), (95, 212400808), (152, 132750505), (190, 106200404), (380, 53100202), (760, 26550101), (2857, 7062680), (5714, 3531340), (9293, 2171320), (11428, 1765670), (14285, 1412536), (18586, 1085660), (22856, 882835), (28570, 706268), (37172, 542830), (46465, 434264), (54283, 371720), (57140, 353134), (74344, 271415), (92930, 217132), (108566, 185860), (114280, 176567)]