20591270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42023}}^1$

素因数の和:42044

約数の個数: 24

約数和(自身を含む): 43116624

約数和(自身を除く): 22525354

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42023, 84046, 210115, 294161, 420230, 588322, 1470805, 2059127, 2941610, 4118254, 10295635, 20591270]

約数ペア:

[(1, 20591270), (2, 10295635), (5, 4118254), (7, 2941610), (10, 2059127), (14, 1470805), (35, 588322), (49, 420230), (70, 294161), (98, 210115), (245, 84046), (490, 42023)]