20768272

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1733}}^1$

素因数の和:1855

約数の個数: 40

約数和(自身を含む): 46443456

約数和(自身を除く): 25675184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 214, 428, 749, 856, 1498, 1712, 1733, 2996, 3466, 5992, 6932, 11984, 12131, 13864, 24262, 27728, 48524, 97048, 185431, 194096, 370862, 741724, 1298017, 1483448, 2596034, 2966896, 5192068, 10384136, 20768272]

約数ペア:

[(1, 20768272), (2, 10384136), (4, 5192068), (7, 2966896), (8, 2596034), (14, 1483448), (16, 1298017), (28, 741724), (56, 370862), (107, 194096), (112, 185431), (214, 97048), (428, 48524), (749, 27728), (856, 24262), (1498, 13864), (1712, 12131), (1733, 11984), (2996, 6932), (3466, 5992)]