20239916991

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50726609}}^1$

素因数の和:50726638

約数の個数: 16

約数和(自身を含む): 32465030400

約数和(自身を除く): 12225113409

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50726609, 152179827, 355086263, 963805571, 1065258789, 2891416713, 6746638997, 20239916991]

約数ペア:

[(1, 20239916991), (3, 6746638997), (7, 2891416713), (19, 1065258789), (21, 963805571), (57, 355086263), (133, 152179827), (399, 50726609)]