20605280227

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{7577}}^1$

素因数の和:7760

約数の個数: 48

約数和(自身を含む): 26538762240

約数和(自身を除く): 5933482013

約数列:

[1, 7, 19, 23, 49, 127, 133, 161, 437, 889, 931, 1127, 2413, 2921, 3059, 6223, 7577, 16891, 20447, 21413, 53039, 55499, 118237, 143129, 143963, 174271, 371273, 388493, 962279, 1007741, 1219897, 2719451, 3311149, 6735953, 7054187, 8539279, 18283301, 22132417, 23178043, 47151671, 127983107, 154926919, 162246301, 420515923, 895881749, 1084488433, 2943611461, 20605280227]

約数ペア:

[(1, 20605280227), (7, 2943611461), (19, 1084488433), (23, 895881749), (49, 420515923), (127, 162246301), (133, 154926919), (161, 127983107), (437, 47151671), (889, 23178043), (931, 22132417), (1127, 18283301), (2413, 8539279), (2921, 7054187), (3059, 6735953), (6223, 3311149), (7577, 2719451), (16891, 1219897), (20447, 1007741), (21413, 962279), (53039, 388493), (55499, 371273), (118237, 174271), (143129, 143963)]