20129164816

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{4133}}^1\times {\mathrm{7079}}^1$

素因数の和:11263

約数の個数: 40

約数和(自身を含む): 39922534080

約数和(自身を除く): 19793369264

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 4133, 7079, 8266, 14158, 16532, 28316, 33064, 56632, 66128, 113264, 177719, 304397, 355438, 608794, 710876, 1217588, 1421752, 2435176, 2843504, 4870352, 29257507, 58515014, 117030028, 234060056, 468120112, 1258072801, 2516145602, 5032291204, 10064582408, 20129164816]

約数ペア:

[(1, 20129164816), (2, 10064582408), (4, 5032291204), (8, 2516145602), (16, 1258072801), (43, 468120112), (86, 234060056), (172, 117030028), (344, 58515014), (688, 29257507), (4133, 4870352), (7079, 2843504), (8266, 2435176), (14158, 1421752), (16532, 1217588), (28316, 710876), (33064, 608794), (56632, 355438), (66128, 304397), (113264, 177719)]