20859646

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{9157}}^1$

素因数の和:9243

約数の個数: 16

約数和(自身を含む): 33628176

約数和(自身を除く): 12768530

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 9157, 18314, 155669, 311338, 613519, 1227038, 10429823, 20859646]

約数ペア:

[(1, 20859646), (2, 10429823), (17, 1227038), (34, 613519), (67, 311338), (134, 155669), (1139, 18314), (2278, 9157)]