20320336505

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4365271}}^1$

素因数の和:4365309

約数の個数: 24

約数和(自身を含む): 29858460480

約数和(自身を除く): 9538123975

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4655, 4365271, 21826355, 30556897, 82940149, 152784485, 213898279, 414700745, 580581043, 1069491395, 2902905215, 4064067301, 20320336505]

約数ペア:

[(1, 20320336505), (5, 4064067301), (7, 2902905215), (19, 1069491395), (35, 580581043), (49, 414700745), (95, 213898279), (133, 152784485), (245, 82940149), (665, 30556897), (931, 21826355), (4655, 4365271)]