20866788

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{10169}}^1$

素因数の和:10201

約数の個数: 48

約数和(自身を含む): 56952000

約数和(自身を除く): 36085212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 10169, 20338, 30507, 40676, 61014, 91521, 122028, 183042, 193211, 274563, 366084, 386422, 549126, 579633, 772844, 1098252, 1159266, 1738899, 2318532, 3477798, 5216697, 6955596, 10433394, 20866788]

約数ペア:

[(1, 20866788), (2, 10433394), (3, 6955596), (4, 5216697), (6, 3477798), (9, 2318532), (12, 1738899), (18, 1159266), (19, 1098252), (27, 772844), (36, 579633), (38, 549126), (54, 386422), (57, 366084), (76, 274563), (108, 193211), (114, 183042), (171, 122028), (228, 91521), (342, 61014), (513, 40676), (684, 30507), (1026, 20338), (2052, 10169)]