20285793

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 13859487

約数列:

[1, 3, 9, 11, 23, 33, 59, 69, 99, 151, 177, 207, 253, 453, 531, 649, 759, 1357, 1359, 1661, 1947, 2277, 3473, 4071, 4983, 5841, 8909, 10419, 12213, 14927, 14949, 26727, 31257, 38203, 44781, 80181, 97999, 114609, 134343, 204907, 293997, 343827, 614721, 881991, 1844163, 2253977, 6761931, 20285793]

約数ペア:

[(1, 20285793), (3, 6761931), (9, 2253977), (11, 1844163), (23, 881991), (33, 614721), (59, 343827), (69, 293997), (99, 204907), (151, 134343), (177, 114609), (207, 97999), (253, 80181), (453, 44781), (531, 38203), (649, 31257), (759, 26727), (1357, 14949), (1359, 14927), (1661, 12213), (1947, 10419), (2277, 8909), (3473, 5841), (4071, 4983)]