20007171

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5087}}^1$

素因数の和:5135

約数の個数: 24

約数和(自身を含む): 31749120

約数和(自身を除く): 11741949

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 5087, 15261, 45783, 96653, 117001, 289959, 351003, 869877, 1053009, 2223019, 6669057, 20007171]

約数ペア:

[(1, 20007171), (3, 6669057), (9, 2223019), (19, 1053009), (23, 869877), (57, 351003), (69, 289959), (171, 117001), (207, 96653), (437, 45783), (1311, 15261), (3933, 5087)]