20403856270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41640523}}^1$

素因数の和:41640544

約数の個数: 24

約数和(自身を含む): 42723177624

約数和(自身を除く): 22319321354

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41640523, 83281046, 208202615, 291483661, 416405230, 582967322, 1457418305, 2040385627, 2914836610, 4080771254, 10201928135, 20403856270]

約数ペア:

[(1, 20403856270), (2, 10201928135), (5, 4080771254), (7, 2914836610), (10, 2040385627), (14, 1457418305), (35, 582967322), (49, 416405230), (70, 291483661), (98, 208202615), (245, 83281046), (490, 41640523)]