20545574

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77239}}^1$

素因数の和:77267

約数の個数: 16

約数和(自身を含む): 37075200

約数和(自身を除く): 16529626

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 77239, 154478, 540673, 1081346, 1467541, 2935082, 10272787, 20545574]

約数ペア:

[(1, 20545574), (2, 10272787), (7, 2935082), (14, 1467541), (19, 1081346), (38, 540673), (133, 154478), (266, 77239)]