20449152

素因数分解:

$2^7\times 3^3\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 61975200

約数和(自身を除く): 41526048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 61, 64, 72, 96, 97, 108, 122, 128, 144, 183, 192, 194, 216, 244, 288, 291, 366, 384, 388, 432, 488, 549, 576, 582, 732, 776, 864, 873, 976, 1098, 1152, 1164, 1464, 1552, 1647, 1728, 1746, 1952, 2196, 2328, 2619, 2928, 3104, 3294, 3456, 3492, 3904, 4392, 4656, 5238, 5856, 5917, 6208, 6588, 6984, 7808, 8784, 9312, 10476, 11712, 11834, 12416, 13176, 13968, 17568, 17751, 18624, 20952, 23424, 23668, 26352, 27936, 35136, 35502, 37248, 41904, 47336, 52704, 53253, 55872, 70272, 71004, 83808, 94672, 105408, 106506, 111744, 142008, 159759, 167616, 189344, 210816, 213012, 284016, 319518, 335232, 378688, 426024, 568032, 639036, 757376, 852048, 1136064, 1278072, 1704096, 2272128, 2556144, 3408192, 5112288, 6816384, 10224576, 20449152]

約数ペア:

[(1, 20449152), (2, 10224576), (3, 6816384), (4, 5112288), (6, 3408192), (8, 2556144), (9, 2272128), (12, 1704096), (16, 1278072), (18, 1136064), (24, 852048), (27, 757376), (32, 639036), (36, 568032), (48, 426024), (54, 378688), (61, 335232), (64, 319518), (72, 284016), (96, 213012), (97, 210816), (108, 189344), (122, 167616), (128, 159759), (144, 142008), (183, 111744), (192, 106506), (194, 105408), (216, 94672), (244, 83808), (288, 71004), (291, 70272), (366, 55872), (384, 53253), (388, 52704), (432, 47336), (488, 41904), (549, 37248), (576, 35502), (582, 35136), (732, 27936), (776, 26352), (864, 23668), (873, 23424), (976, 20952), (1098, 18624), (1152, 17751), (1164, 17568), (1464, 13968), (1552, 13176), (1647, 12416), (1728, 11834), (1746, 11712), (1952, 10476), (2196, 9312), (2328, 8784), (2619, 7808), (2928, 6984), (3104, 6588), (3294, 6208), (3456, 5917), (3492, 5856), (3904, 5238), (4392, 4656)]