20788458

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1553}}^1$

素因数の和:1678

約数の個数: 32

約数和(自身を含む): 43860096

約数和(自身を除く): 23071638

約数列:

[1, 2, 3, 6, 23, 46, 69, 97, 138, 194, 291, 582, 1553, 2231, 3106, 4462, 4659, 6693, 9318, 13386, 35719, 71438, 107157, 150641, 214314, 301282, 451923, 903846, 3464743, 6929486, 10394229, 20788458]

約数ペア:

[(1, 20788458), (2, 10394229), (3, 6929486), (6, 3464743), (23, 903846), (46, 451923), (69, 301282), (97, 214314), (138, 150641), (194, 107157), (291, 71438), (582, 35719), (1553, 13386), (2231, 9318), (3106, 6693), (4462, 4659)]