20697633

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 33707520

約数和(自身を除く): 13009887

約数列:

[1, 3, 9, 11, 27, 33, 99, 227, 297, 307, 681, 921, 2043, 2497, 2763, 3377, 6129, 7491, 8289, 10131, 22473, 30393, 67419, 69689, 91179, 209067, 627201, 766579, 1881603, 2299737, 6899211, 20697633]

約数ペア:

[(1, 20697633), (3, 6899211), (9, 2299737), (11, 1881603), (27, 766579), (33, 627201), (99, 209067), (227, 91179), (297, 69689), (307, 67419), (681, 30393), (921, 22473), (2043, 10131), (2497, 8289), (2763, 7491), (3377, 6129)]