20848658

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{991}}^1$

素因数の和:1217

約数の個数: 16

約数和(自身を含む): 31974144

約数和(自身を除く): 11125486

約数列:

[1, 2, 67, 134, 157, 314, 991, 1982, 10519, 21038, 66397, 132794, 155587, 311174, 10424329, 20848658]

約数ペア:

[(1, 20848658), (2, 10424329), (67, 311174), (134, 155587), (157, 132794), (314, 66397), (991, 21038), (1982, 10519)]