20865578

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{733}}^1$

素因数の和:1109

約数の個数: 16

約数和(自身を含む): 32166816

約数和(自身を除く): 11301238

約数列:

[1, 2, 43, 86, 331, 662, 733, 1466, 14233, 28466, 31519, 63038, 242623, 485246, 10432789, 20865578]

約数ペア:

[(1, 20865578), (2, 10432789), (43, 485246), (86, 242623), (331, 63038), (662, 31519), (733, 28466), (1466, 14233)]