20791306

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{9127}}^1$

素因数の和:9213

約数の個数: 16

約数和(自身を含む): 33518016

約数和(自身を除く): 12726710

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 9127, 18254, 155159, 310318, 611509, 1223018, 10395653, 20791306]

約数ペア:

[(1, 20791306), (2, 10395653), (17, 1223018), (34, 611509), (67, 310318), (134, 155159), (1139, 18254), (2278, 9127)]