20172504920

素因数分解:

$2^3\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{354401}}^1$

素因数の和:355835

約数の個数: 32

約数和(自身を含む): 45420160320

約数和(自身を除く): 25247655400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1423, 2846, 5692, 7115, 11384, 14230, 28460, 56920, 354401, 708802, 1417604, 1772005, 2835208, 3544010, 7088020, 14176040, 504312623, 1008625246, 2017250492, 2521563115, 4034500984, 5043126230, 10086252460, 20172504920]

約数ペア:

[(1, 20172504920), (2, 10086252460), (4, 5043126230), (5, 4034500984), (8, 2521563115), (10, 2017250492), (20, 1008625246), (40, 504312623), (1423, 14176040), (2846, 7088020), (5692, 3544010), (7115, 2835208), (11384, 1772005), (14230, 1417604), (28460, 708802), (56920, 354401)]