20970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{233}}^1$

素因数の和:246

約数の個数: 24

約数和(自身を含む): 54756

約数和(自身を除く): 33786

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 233, 466, 699, 1165, 1398, 2097, 2330, 3495, 4194, 6990, 10485, 20970]

約数ペア:

[(1, 20970), (2, 10485), (3, 6990), (5, 4194), (6, 3495), (9, 2330), (10, 2097), (15, 1398), (18, 1165), (30, 699), (45, 466), (90, 233)]