20136688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{677}}^1$

素因数の和:722

約数の個数: 60

約数和(自身を含む): 46155528

約数和(自身を除く): 26018840

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 169, 176, 208, 286, 338, 572, 676, 677, 1144, 1352, 1354, 1859, 2288, 2704, 2708, 3718, 5416, 7436, 7447, 8801, 10832, 14872, 14894, 17602, 29744, 29788, 35204, 59576, 70408, 96811, 114413, 119152, 140816, 193622, 228826, 387244, 457652, 774488, 915304, 1258543, 1548976, 1830608, 2517086, 5034172, 10068344, 20136688]

約数ペア:

[(1, 20136688), (2, 10068344), (4, 5034172), (8, 2517086), (11, 1830608), (13, 1548976), (16, 1258543), (22, 915304), (26, 774488), (44, 457652), (52, 387244), (88, 228826), (104, 193622), (143, 140816), (169, 119152), (176, 114413), (208, 96811), (286, 70408), (338, 59576), (572, 35204), (676, 29788), (677, 29744), (1144, 17602), (1352, 14894), (1354, 14872), (1859, 10832), (2288, 8801), (2704, 7447), (2708, 7436), (3718, 5416)]