20195502068

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{937}}^1\times {\mathrm{11489}}^1$

素因数の和:12504

約数の個数: 48

約数和(自身を含む): 41041176960

約数和(自身を除く): 20845674892

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 937, 938, 1874, 1876, 3748, 6559, 11489, 13118, 22978, 26236, 45956, 62779, 80423, 125558, 160846, 251116, 321692, 439453, 769763, 878906, 1539526, 1757812, 3079052, 5388341, 10765193, 10776682, 21530386, 21553364, 43060772, 75356351, 150712702, 301425404, 721267931, 1442535862, 2885071724, 5048875517, 10097751034, 20195502068]

約数ペア:

[(1, 20195502068), (2, 10097751034), (4, 5048875517), (7, 2885071724), (14, 1442535862), (28, 721267931), (67, 301425404), (134, 150712702), (268, 75356351), (469, 43060772), (937, 21553364), (938, 21530386), (1874, 10776682), (1876, 10765193), (3748, 5388341), (6559, 3079052), (11489, 1757812), (13118, 1539526), (22978, 878906), (26236, 769763), (45956, 439453), (62779, 321692), (80423, 251116), (125558, 160846)]