20000432878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12240167}}^1$

素因数の和:12240231

約数の個数: 16

約数和(自身を含む): 32314043520

約数和(自身を除く): 12313610642

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12240167, 24480334, 232563173, 465126346, 526327181, 1052654362, 10000216439, 20000432878]

約数ペア:

[(1, 20000432878), (2, 10000216439), (19, 1052654362), (38, 526327181), (43, 465126346), (86, 232563173), (817, 24480334), (1634, 12240167)]