20129344768

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{20929}}^1$

素因数の和:20992

約数の個数: 108

約数和(自身を含む): 45968098540

約数和(自身を除く): 25838753772

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 289, 416, 442, 544, 578, 832, 884, 1088, 1156, 1664, 1768, 2176, 2312, 3328, 3536, 3757, 4352, 4624, 7072, 7514, 9248, 14144, 15028, 18496, 20929, 28288, 30056, 36992, 41858, 56576, 60112, 73984, 83716, 120224, 167432, 240448, 272077, 334864, 355793, 480896, 544154, 669728, 711586, 961792, 1088308, 1339456, 1423172, 2176616, 2678912, 2846344, 4353232, 4625309, 5357824, 5692688, 6048481, 8706464, 9250618, 11385376, 12096962, 17412928, 18501236, 22770752, 24193924, 34825856, 37002472, 45541504, 48387848, 69651712, 74004944, 78630253, 91083008, 96775696, 148009888, 157260506, 193551392, 296019776, 314521012, 387102784, 592039552, 629042024, 774205568, 1184079104, 1258084048, 1548411136, 2516168096, 5032336192, 10064672384, 20129344768]

約数ペア:

[(1, 20129344768), (2, 10064672384), (4, 5032336192), (8, 2516168096), (13, 1548411136), (16, 1258084048), (17, 1184079104), (26, 774205568), (32, 629042024), (34, 592039552), (52, 387102784), (64, 314521012), (68, 296019776), (104, 193551392), (128, 157260506), (136, 148009888), (208, 96775696), (221, 91083008), (256, 78630253), (272, 74004944), (289, 69651712), (416, 48387848), (442, 45541504), (544, 37002472), (578, 34825856), (832, 24193924), (884, 22770752), (1088, 18501236), (1156, 17412928), (1664, 12096962), (1768, 11385376), (2176, 9250618), (2312, 8706464), (3328, 6048481), (3536, 5692688), (3757, 5357824), (4352, 4625309), (4624, 4353232), (7072, 2846344), (7514, 2678912), (9248, 2176616), (14144, 1423172), (15028, 1339456), (18496, 1088308), (20929, 961792), (28288, 711586), (30056, 669728), (36992, 544154), (41858, 480896), (56576, 355793), (60112, 334864), (73984, 272077), (83716, 240448), (120224, 167432)]