20004296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8363}}^1$

素因数の和:8405

約数の個数: 32

約数和(自身を含む): 42154560

約数和(自身を除く): 22150264

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8363, 16726, 33452, 66904, 108719, 192349, 217438, 384698, 434876, 769396, 869752, 1538792, 2500537, 5001074, 10002148, 20004296]

約数ペア:

[(1, 20004296), (2, 10002148), (4, 5001074), (8, 2500537), (13, 1538792), (23, 869752), (26, 769396), (46, 434876), (52, 384698), (92, 217438), (104, 192349), (184, 108719), (299, 66904), (598, 33452), (1196, 16726), (2392, 8363)]