20191400327

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{325673}}^1$

素因数の和:326218

約数の個数: 16

約数和(自身を含む): 24480263232

約数和(自身を除く): 4288862905

約数列:

[1, 7, 17, 119, 521, 3647, 8857, 61999, 325673, 2279711, 5536441, 38755087, 169675633, 1187729431, 2884485761, 20191400327]

約数ペア:

[(1, 20191400327), (7, 2884485761), (17, 1187729431), (119, 169675633), (521, 38755087), (3647, 5536441), (8857, 2279711), (61999, 325673)]