20368431

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 36

約数和(自身を含む): 32183424

約数和(自身を除く): 11814993

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 191, 289, 369, 573, 697, 867, 1719, 2091, 2601, 3247, 6273, 7831, 9741, 11849, 23493, 29223, 35547, 55199, 70479, 106641, 133127, 165597, 399381, 496791, 1198143, 2263159, 6789477, 20368431]

約数ペア:

[(1, 20368431), (3, 6789477), (9, 2263159), (17, 1198143), (41, 496791), (51, 399381), (123, 165597), (153, 133127), (191, 106641), (289, 70479), (369, 55199), (573, 35547), (697, 29223), (867, 23493), (1719, 11849), (2091, 9741), (2601, 7831), (3247, 6273)]