20294071

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2879}}^1$

素因数の和:2958

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 4589129

約数列:

[1, 7, 19, 53, 133, 371, 1007, 2879, 7049, 20153, 54701, 152587, 382907, 1068109, 2899153, 20294071]

約数ペア:

[(1, 20294071), (7, 2899153), (19, 1068109), (53, 382907), (133, 152587), (371, 54701), (1007, 20153), (2879, 7049)]