20091778

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{75533}}^1$

素因数の和:75561

約数の個数: 16

約数和(自身を含む): 36256320

約数和(自身を除く): 16164542

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 75533, 151066, 528731, 1057462, 1435127, 2870254, 10045889, 20091778]

約数ペア:

[(1, 20091778), (2, 10045889), (7, 2870254), (14, 1435127), (19, 1057462), (38, 528731), (133, 151066), (266, 75533)]