20697110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42239}}^1$

素因数の和:42260

約数の個数: 24

約数和(自身を含む): 43338240

約数和(自身を除く): 22641130

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42239, 84478, 211195, 295673, 422390, 591346, 1478365, 2069711, 2956730, 4139422, 10348555, 20697110]

約数ペア:

[(1, 20697110), (2, 10348555), (5, 4139422), (7, 2956730), (10, 2069711), (14, 1478365), (35, 591346), (49, 422390), (70, 295673), (98, 211195), (245, 84478), (490, 42239)]