20123248551

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4517}}^1\times {\mathrm{12479}}^1$

素因数の和:17023

約数の個数: 32

約数和(自身を含む): 32477552640

約数和(自身を除く): 12354304089

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 4517, 12479, 13551, 31619, 37437, 76789, 87353, 94857, 212143, 230367, 262059, 537523, 636429, 1485001, 1612569, 4455003, 56367643, 169102929, 394573501, 958249931, 1183720503, 2874749793, 6707749517, 20123248551]

約数ペア:

[(1, 20123248551), (3, 6707749517), (7, 2874749793), (17, 1183720503), (21, 958249931), (51, 394573501), (119, 169102929), (357, 56367643), (4517, 4455003), (12479, 1612569), (13551, 1485001), (31619, 636429), (37437, 537523), (76789, 262059), (87353, 230367), (94857, 212143)]