20844992

素因数分解:

$2^6\times 7^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:83

約数の個数: 126

約数和(自身を含む): 53336952

約数和(自身を除く): 32491960

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 32, 34, 46, 49, 56, 64, 68, 92, 98, 112, 119, 136, 161, 184, 196, 224, 238, 272, 289, 322, 368, 391, 392, 448, 476, 544, 578, 644, 736, 782, 784, 833, 952, 1088, 1127, 1156, 1288, 1472, 1564, 1568, 1666, 1904, 2023, 2254, 2312, 2576, 2737, 3128, 3136, 3332, 3808, 4046, 4508, 4624, 5152, 5474, 6256, 6647, 6664, 7616, 8092, 9016, 9248, 10304, 10948, 12512, 13294, 13328, 14161, 16184, 18032, 18496, 19159, 21896, 25024, 26588, 26656, 28322, 32368, 36064, 38318, 43792, 46529, 53176, 53312, 56644, 64736, 72128, 76636, 87584, 93058, 106352, 113288, 129472, 153272, 175168, 186116, 212704, 226576, 306544, 325703, 372232, 425408, 453152, 613088, 651406, 744464, 906304, 1226176, 1302812, 1488928, 2605624, 2977856, 5211248, 10422496, 20844992]

約数ペア:

[(1, 20844992), (2, 10422496), (4, 5211248), (7, 2977856), (8, 2605624), (14, 1488928), (16, 1302812), (17, 1226176), (23, 906304), (28, 744464), (32, 651406), (34, 613088), (46, 453152), (49, 425408), (56, 372232), (64, 325703), (68, 306544), (92, 226576), (98, 212704), (112, 186116), (119, 175168), (136, 153272), (161, 129472), (184, 113288), (196, 106352), (224, 93058), (238, 87584), (272, 76636), (289, 72128), (322, 64736), (368, 56644), (391, 53312), (392, 53176), (448, 46529), (476, 43792), (544, 38318), (578, 36064), (644, 32368), (736, 28322), (782, 26656), (784, 26588), (833, 25024), (952, 21896), (1088, 19159), (1127, 18496), (1156, 18032), (1288, 16184), (1472, 14161), (1564, 13328), (1568, 13294), (1666, 12512), (1904, 10948), (2023, 10304), (2254, 9248), (2312, 9016), (2576, 8092), (2737, 7616), (3128, 6664), (3136, 6647), (3332, 6256), (3808, 5474), (4046, 5152), (4508, 4624)]