20706784

素因数分解:

$2^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{953}}^1$

素因数の和:1067

約数の個数: 48

約数和(自身を含む): 47119968

約数和(自身を除く): 26413184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 97, 112, 194, 224, 388, 679, 776, 953, 1358, 1552, 1906, 2716, 3104, 3812, 5432, 6671, 7624, 10864, 13342, 15248, 21728, 26684, 30496, 53368, 92441, 106736, 184882, 213472, 369764, 647087, 739528, 1294174, 1479056, 2588348, 2958112, 5176696, 10353392, 20706784]

約数ペア:

[(1, 20706784), (2, 10353392), (4, 5176696), (7, 2958112), (8, 2588348), (14, 1479056), (16, 1294174), (28, 739528), (32, 647087), (56, 369764), (97, 213472), (112, 184882), (194, 106736), (224, 92441), (388, 53368), (679, 30496), (776, 26684), (953, 21728), (1358, 15248), (1552, 13342), (1906, 10864), (2716, 7624), (3104, 6671), (3812, 5432)]