20697213

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 30175200

約数和(自身を除く): 9477987

約数列:

[1, 3, 19, 29, 57, 87, 361, 551, 659, 1083, 1653, 1977, 10469, 12521, 19111, 31407, 37563, 57333, 237899, 363109, 713697, 1089327, 6899071, 20697213]

約数ペア:

[(1, 20697213), (3, 6899071), (19, 1089327), (29, 713697), (57, 363109), (87, 237899), (361, 57333), (551, 37563), (659, 31407), (1083, 19111), (1653, 12521), (1977, 10469)]