20848401

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2347}}^1$

素因数の和:2410

約数の個数: 32

約数和(自身を含む): 36065280

約数和(自身を除く): 15216879

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2347, 2961, 7041, 8883, 16429, 21123, 49287, 63369, 110309, 147861, 330927, 443583, 772163, 992781, 2316489, 2978343, 6949467, 20848401]

約数ペア:

[(1, 20848401), (3, 6949467), (7, 2978343), (9, 2316489), (21, 992781), (27, 772163), (47, 443583), (63, 330927), (141, 147861), (189, 110309), (329, 63369), (423, 49287), (987, 21123), (1269, 16429), (2347, 8883), (2961, 7041)]