20850278

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:739

約数の個数: 16

約数和(自身を含む): 31752000

約数和(自身を除く): 10901722

約数列:

[1, 2, 139, 179, 278, 358, 419, 838, 24881, 49762, 58241, 75001, 116482, 150002, 10425139, 20850278]

約数ペア:

[(1, 20850278), (2, 10425139), (139, 150002), (179, 116482), (278, 75001), (358, 58241), (419, 49762), (838, 24881)]