20172118

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{4049}}^1$

素因数の和:4151

約数の個数: 16

約数和(自身を含む): 31492800

約数和(自身を除く): 11320682

約数列:

[1, 2, 47, 53, 94, 106, 2491, 4049, 4982, 8098, 190303, 214597, 380606, 429194, 10086059, 20172118]

約数ペア:

[(1, 20172118), (2, 10086059), (47, 429194), (53, 380606), (94, 214597), (106, 190303), (2491, 8098), (4049, 4982)]