20888575774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{264553}}^1$

素因数の和:264700

約数の個数: 32

約数和(自身を含む): 35467167456

約数和(自身を除く): 14578591682

約数列:

[1, 2, 11, 22, 37, 74, 97, 194, 407, 814, 1067, 2134, 3589, 7178, 39479, 78958, 264553, 529106, 2910083, 5820166, 9788461, 19576922, 25661641, 51323282, 107673071, 215346142, 282278051, 564556102, 949480717, 1898961434, 10444287887, 20888575774]

約数ペア:

[(1, 20888575774), (2, 10444287887), (11, 1898961434), (22, 949480717), (37, 564556102), (74, 282278051), (97, 215346142), (194, 107673071), (407, 51323282), (814, 25661641), (1067, 19576922), (2134, 9788461), (3589, 5820166), (7178, 2910083), (39479, 529106), (78958, 264553)]