20686443393

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{199447}}^1$

素因数の和:199917

約数の個数: 32

約数和(自身を含む): 34464614400

約数和(自身を除く): 13778171007

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 449, 1347, 3143, 4939, 9429, 14817, 34573, 103719, 199447, 598341, 1396129, 2193917, 4188387, 6581751, 15357419, 46072257, 89551703, 268655109, 626861921, 985068733, 1880585763, 2955206199, 6895481131, 20686443393]

約数ペア:

[(1, 20686443393), (3, 6895481131), (7, 2955206199), (11, 1880585763), (21, 985068733), (33, 626861921), (77, 268655109), (231, 89551703), (449, 46072257), (1347, 15357419), (3143, 6581751), (4939, 4188387), (9429, 2193917), (14817, 1396129), (34573, 598341), (103719, 199447)]