20904331371

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{285473}}^1$

素因数の和:285811

約数の個数: 32

約数和(自身を含む): 34859801088

約数和(自身を除く): 13955469717

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 317, 951, 2219, 3487, 6657, 10461, 24409, 73227, 285473, 856419, 1998311, 3140203, 5994933, 9420609, 21981421, 65944263, 90494941, 271484823, 633464587, 995444351, 1900393761, 2986333053, 6968110457, 20904331371]

約数ペア:

[(1, 20904331371), (3, 6968110457), (7, 2986333053), (11, 1900393761), (21, 995444351), (33, 633464587), (77, 271484823), (231, 90494941), (317, 65944263), (951, 21981421), (2219, 9420609), (3487, 5994933), (6657, 3140203), (10461, 1998311), (24409, 856419), (73227, 285473)]