2020821490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6518779}}^1$

素因数の和:6518817

約数の個数: 16

約数和(自身を含む): 3754817280

約数和(自身を除く): 1733995790

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 6518779, 13037558, 32593895, 65187790, 202082149, 404164298, 1010410745, 2020821490]

約数ペア:

[(1, 2020821490), (2, 1010410745), (5, 404164298), (10, 202082149), (31, 65187790), (62, 32593895), (155, 13037558), (310, 6518779)]