20403252

素因数分解:

$2^2\times 3^6\times {\mathrm{6997}}^1$

素因数の和:7019

約数の個数: 42

約数和(自身を含む): 53541698

約数和(自身を除く): 33138446

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 6997, 13994, 20991, 27988, 41982, 62973, 83964, 125946, 188919, 251892, 377838, 566757, 755676, 1133514, 1700271, 2267028, 3400542, 5100813, 6801084, 10201626, 20403252]

約数ペア:

[(1, 20403252), (2, 10201626), (3, 6801084), (4, 5100813), (6, 3400542), (9, 2267028), (12, 1700271), (18, 1133514), (27, 755676), (36, 566757), (54, 377838), (81, 251892), (108, 188919), (162, 125946), (243, 83964), (324, 62973), (486, 41982), (729, 27988), (972, 20991), (1458, 13994), (2916, 6997)]