20366391

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 30336768

約数和(自身を除く): 9970377

約数列:

[1, 3, 17, 37, 43, 51, 111, 129, 251, 629, 731, 753, 1591, 1887, 2193, 4267, 4773, 9287, 10793, 12801, 27047, 27861, 32379, 81141, 157879, 183481, 399341, 473637, 550443, 1198023, 6788797, 20366391]

約数ペア:

[(1, 20366391), (3, 6788797), (17, 1198023), (37, 550443), (43, 473637), (51, 399341), (111, 183481), (129, 157879), (251, 81141), (629, 32379), (731, 27861), (753, 27047), (1591, 12801), (1887, 10793), (2193, 9287), (4267, 4773)]