20984601

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{9491}}^1$

素因数の和:9572

約数の個数: 16

約数和(自身を含む): 30981888

約数和(自身を除く): 9997287

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 9491, 28473, 104401, 313203, 635897, 1907691, 6994867, 20984601]

約数ペア:

[(1, 20984601), (3, 6994867), (11, 1907691), (33, 635897), (67, 313203), (201, 104401), (737, 28473), (2211, 9491)]