20124894517

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{149731}}^1$

素因数の和:149969

約数の個数: 24

約数和(自身を含む): 25331060832

約数和(自身を除く): 5206166315

約数列:

[1, 7, 13, 49, 91, 211, 637, 1477, 2743, 10339, 19201, 134407, 149731, 1048117, 1946503, 7336819, 13625521, 31593241, 95378647, 221152687, 410712133, 1548068809, 2874984931, 20124894517]

約数ペア:

[(1, 20124894517), (7, 2874984931), (13, 1548068809), (49, 410712133), (91, 221152687), (211, 95378647), (637, 31593241), (1477, 13625521), (2743, 7336819), (10339, 1946503), (19201, 1048117), (134407, 149731)]