20701291

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2070

約数の個数: 16

約数和(自身を含む): 24119424

約数和(自身を除く): 3418133

約数列:

[1, 13, 17, 47, 221, 611, 799, 1993, 10387, 25909, 33881, 93671, 440453, 1217723, 1592407, 20701291]

約数ペア:

[(1, 20701291), (13, 1592407), (17, 1217723), (47, 440453), (221, 93671), (611, 33881), (799, 25909), (1993, 10387)]