20518245156

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1\times {\mathrm{2371}}^1$

素因数の和:2993

約数の個数: 96

約数和(自身を含む): 50684440576

約数和(自身を除く): 30166195420

約数列:

[1, 2, 3, 4, 6, 12, 31, 43, 62, 86, 93, 124, 129, 172, 186, 258, 372, 516, 541, 1082, 1333, 1623, 2164, 2371, 2666, 3246, 3999, 4742, 5332, 6492, 7113, 7998, 9484, 14226, 15996, 16771, 23263, 28452, 33542, 46526, 50313, 67084, 69789, 73501, 93052, 100626, 101953, 139578, 147002, 201252, 203906, 220503, 279156, 294004, 305859, 407812, 441006, 611718, 721153, 882012, 1223436, 1282711, 1442306, 2163459, 2565422, 2884612, 3160543, 3848133, 4326918, 5130844, 6321086, 7696266, 8653836, 9481629, 12642172, 15392532, 18963258, 37926516, 39764041, 55156573, 79528082, 110313146, 119292123, 159056164, 165469719, 220626292, 238584246, 330939438, 477168492, 661878876, 1709853763, 3419707526, 5129561289, 6839415052, 10259122578, 20518245156]

約数ペア:

[(1, 20518245156), (2, 10259122578), (3, 6839415052), (4, 5129561289), (6, 3419707526), (12, 1709853763), (31, 661878876), (43, 477168492), (62, 330939438), (86, 238584246), (93, 220626292), (124, 165469719), (129, 159056164), (172, 119292123), (186, 110313146), (258, 79528082), (372, 55156573), (516, 39764041), (541, 37926516), (1082, 18963258), (1333, 15392532), (1623, 12642172), (2164, 9481629), (2371, 8653836), (2666, 7696266), (3246, 6321086), (3999, 5130844), (4742, 4326918), (5332, 3848133), (6492, 3160543), (7113, 2884612), (7998, 2565422), (9484, 2163459), (14226, 1442306), (15996, 1282711), (16771, 1223436), (23263, 882012), (28452, 721153), (33542, 611718), (46526, 441006), (50313, 407812), (67084, 305859), (69789, 294004), (73501, 279156), (93052, 220503), (100626, 203906), (101953, 201252), (139578, 147002)]