20864592

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{2957}}^1$

素因数の和:2985

約数の個数: 90

約数和(自身を含む): 67948218

約数和(自身を除く): 47083626

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 2957, 3528, 5914, 7056, 8871, 11828, 17742, 20699, 23656, 26613, 35484, 41398, 47312, 53226, 62097, 70968, 82796, 106452, 124194, 141936, 144893, 165592, 186291, 212904, 248388, 289786, 331184, 372582, 425808, 434679, 496776, 579572, 745164, 869358, 993552, 1159144, 1304037, 1490328, 1738716, 2318288, 2608074, 2980656, 3477432, 5216148, 6954864, 10432296, 20864592]

約数ペア:

[(1, 20864592), (2, 10432296), (3, 6954864), (4, 5216148), (6, 3477432), (7, 2980656), (8, 2608074), (9, 2318288), (12, 1738716), (14, 1490328), (16, 1304037), (18, 1159144), (21, 993552), (24, 869358), (28, 745164), (36, 579572), (42, 496776), (48, 434679), (49, 425808), (56, 372582), (63, 331184), (72, 289786), (84, 248388), (98, 212904), (112, 186291), (126, 165592), (144, 144893), (147, 141936), (168, 124194), (196, 106452), (252, 82796), (294, 70968), (336, 62097), (392, 53226), (441, 47312), (504, 41398), (588, 35484), (784, 26613), (882, 23656), (1008, 20699), (1176, 17742), (1764, 11828), (2352, 8871), (2957, 7056), (3528, 5914)]