20992476008

素因数分解:

$2^3\times 7^1\times {\mathrm{757}}^1\times {\mathrm{495199}}^1$

素因数の和:495969

約数の個数: 32

約数和(自身を含む): 45043392000

約数和(自身を除く): 24050915992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 757, 1514, 3028, 5299, 6056, 10598, 21196, 42392, 495199, 990398, 1980796, 3466393, 3961592, 6932786, 13865572, 27731144, 374865643, 749731286, 1499462572, 2624059501, 2998925144, 5248119002, 10496238004, 20992476008]

約数ペア:

[(1, 20992476008), (2, 10496238004), (4, 5248119002), (7, 2998925144), (8, 2624059501), (14, 1499462572), (28, 749731286), (56, 374865643), (757, 27731144), (1514, 13865572), (3028, 6932786), (5299, 3961592), (6056, 3466393), (10598, 1980796), (21196, 990398), (42392, 495199)]