20916378

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8737}}^1$

素因数の和:8771

約数の個数: 48

約数和(自身を含む): 54525120

約数和(自身を除く): 33608742

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 8737, 17474, 26211, 52422, 61159, 78633, 122318, 157266, 166003, 183477, 332006, 366954, 498009, 550431, 996018, 1100862, 1162021, 1494027, 2324042, 2988054, 3486063, 6972126, 10458189, 20916378]

約数ペア:

[(1, 20916378), (2, 10458189), (3, 6972126), (6, 3486063), (7, 2988054), (9, 2324042), (14, 1494027), (18, 1162021), (19, 1100862), (21, 996018), (38, 550431), (42, 498009), (57, 366954), (63, 332006), (114, 183477), (126, 166003), (133, 157266), (171, 122318), (266, 78633), (342, 61159), (399, 52422), (798, 26211), (1197, 17474), (2394, 8737)]