20368907

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:167

約数の個数: 32

約数和(自身を含む): 24820992

約数和(自身を除く): 4452085

約数列:

[1, 13, 17, 37, 47, 53, 221, 481, 611, 629, 689, 799, 901, 1739, 1961, 2491, 8177, 10387, 11713, 22607, 25493, 29563, 32383, 33337, 42347, 92167, 384319, 433381, 550511, 1198171, 1566839, 20368907]

約数ペア:

[(1, 20368907), (13, 1566839), (17, 1198171), (37, 550511), (47, 433381), (53, 384319), (221, 92167), (481, 42347), (611, 33337), (629, 32383), (689, 29563), (799, 25493), (901, 22607), (1739, 11713), (1961, 10387), (2491, 8177)]