20346972681

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{877}}^1\times {\mathrm{58147}}^1$

素因数の和:59053

約数の個数: 32

約数和(自身を含む): 32674524160

約数和(自身を除く): 12327551479

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 877, 2631, 6139, 16663, 18417, 49989, 58147, 116641, 174441, 349923, 407029, 1104793, 1221087, 3314379, 7733551, 23200653, 50994919, 152984757, 356964433, 968903461, 1070893299, 2906710383, 6782324227, 20346972681]

約数ペア:

[(1, 20346972681), (3, 6782324227), (7, 2906710383), (19, 1070893299), (21, 968903461), (57, 356964433), (133, 152984757), (399, 50994919), (877, 23200653), (2631, 7733551), (6139, 3314379), (16663, 1221087), (18417, 1104793), (49989, 407029), (58147, 349923), (116641, 174441)]