20138040020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1482919}}^1$

素因数の和:1483032

約数の個数: 48

約数和(自身を含む): 48829589760

約数和(自身を除く): 28691549740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6790, 13580, 1482919, 2965838, 5931676, 7414595, 10380433, 14829190, 20760866, 29658380, 41521732, 51902165, 103804330, 143843143, 207608660, 287686286, 575372572, 719215715, 1006902001, 1438431430, 2013804002, 2876862860, 4027608004, 5034510005, 10069020010, 20138040020]

約数ペア:

[(1, 20138040020), (2, 10069020010), (4, 5034510005), (5, 4027608004), (7, 2876862860), (10, 2013804002), (14, 1438431430), (20, 1006902001), (28, 719215715), (35, 575372572), (70, 287686286), (97, 207608660), (140, 143843143), (194, 103804330), (388, 51902165), (485, 41521732), (679, 29658380), (970, 20760866), (1358, 14829190), (1940, 10380433), (2716, 7414595), (3395, 5931676), (6790, 2965838), (13580, 1482919)]