20764926

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1811}}^1$

素因数の和:1846

約数の個数: 72

約数和(自身を含む): 56393064

約数和(自身を除く): 35628138

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1811, 1911, 3622, 3822, 5433, 5733, 10866, 11466, 12677, 16299, 23543, 25354, 32598, 38031, 47086, 70629, 76062, 88739, 114093, 141258, 164801, 177478, 211887, 228186, 266217, 329602, 423774, 494403, 532434, 798651, 988806, 1153607, 1483209, 1597302, 2307214, 2966418, 3460821, 6921642, 10382463, 20764926]

約数ペア:

[(1, 20764926), (2, 10382463), (3, 6921642), (6, 3460821), (7, 2966418), (9, 2307214), (13, 1597302), (14, 1483209), (18, 1153607), (21, 988806), (26, 798651), (39, 532434), (42, 494403), (49, 423774), (63, 329602), (78, 266217), (91, 228186), (98, 211887), (117, 177478), (126, 164801), (147, 141258), (182, 114093), (234, 88739), (273, 76062), (294, 70629), (441, 47086), (546, 38031), (637, 32598), (819, 25354), (882, 23543), (1274, 16299), (1638, 12677), (1811, 11466), (1911, 10866), (3622, 5733), (3822, 5433)]