20646054

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{617}}^1$

素因数の和:662

約数の個数: 72

約数和(自身を含む): 52927992

約数和(自身を除く): 32281938

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 169, 198, 234, 286, 338, 429, 507, 617, 858, 1014, 1234, 1287, 1521, 1851, 1859, 2574, 3042, 3702, 3718, 5553, 5577, 6787, 8021, 11106, 11154, 13574, 16042, 16731, 20361, 24063, 33462, 40722, 48126, 61083, 72189, 88231, 104273, 122166, 144378, 176462, 208546, 264693, 312819, 529386, 625638, 794079, 938457, 1147003, 1588158, 1876914, 2294006, 3441009, 6882018, 10323027, 20646054]

約数ペア:

[(1, 20646054), (2, 10323027), (3, 6882018), (6, 3441009), (9, 2294006), (11, 1876914), (13, 1588158), (18, 1147003), (22, 938457), (26, 794079), (33, 625638), (39, 529386), (66, 312819), (78, 264693), (99, 208546), (117, 176462), (143, 144378), (169, 122166), (198, 104273), (234, 88231), (286, 72189), (338, 61083), (429, 48126), (507, 40722), (617, 33462), (858, 24063), (1014, 20361), (1234, 16731), (1287, 16042), (1521, 13574), (1851, 11154), (1859, 11106), (2574, 8021), (3042, 6787), (3702, 5577), (3718, 5553)]