20217023456

素因数分解:

$2^5\times 7^1\times {\mathrm{113}}^1\times {\mathrm{798713}}^1$

素因数の和:798843

約数の個数: 48

約数和(自身を含む): 45890911584

約数和(自身を除く): 25673888128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 113, 224, 226, 452, 791, 904, 1582, 1808, 3164, 3616, 6328, 12656, 25312, 798713, 1597426, 3194852, 5590991, 6389704, 11181982, 12779408, 22363964, 25558816, 44727928, 89455856, 90254569, 178911712, 180509138, 361018276, 631781983, 722036552, 1263563966, 1444073104, 2527127932, 2888146208, 5054255864, 10108511728, 20217023456]

約数ペア:

[(1, 20217023456), (2, 10108511728), (4, 5054255864), (7, 2888146208), (8, 2527127932), (14, 1444073104), (16, 1263563966), (28, 722036552), (32, 631781983), (56, 361018276), (112, 180509138), (113, 178911712), (224, 90254569), (226, 89455856), (452, 44727928), (791, 25558816), (904, 22363964), (1582, 12779408), (1808, 11181982), (3164, 6389704), (3616, 5590991), (6328, 3194852), (12656, 1597426), (25312, 798713)]