20559907

素因数分解:

${\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:330

約数の個数: 16

約数和(自身を含む): 22176000

約数和(自身を除く): 1616093

約数列:

[1, 23, 59, 109, 139, 1357, 2507, 3197, 6431, 8201, 15151, 147913, 188623, 348473, 893909, 20559907]

約数ペア:

[(1, 20559907), (23, 893909), (59, 348473), (109, 188623), (139, 147913), (1357, 15151), (2507, 8201), (3197, 6431)]