20482497

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 37209600

約数和(自身を除く): 16727103

約数列:

[1, 3, 7, 9, 21, 27, 29, 37, 63, 87, 101, 111, 189, 203, 259, 261, 303, 333, 609, 707, 777, 783, 909, 999, 1073, 1827, 2121, 2331, 2727, 2929, 3219, 3737, 5481, 6363, 6993, 7511, 8787, 9657, 11211, 19089, 20503, 22533, 26159, 26361, 28971, 33633, 61509, 67599, 78477, 79083, 100899, 108373, 184527, 202797, 235431, 325119, 553581, 706293, 758611, 975357, 2275833, 2926071, 6827499, 20482497]

約数ペア:

[(1, 20482497), (3, 6827499), (7, 2926071), (9, 2275833), (21, 975357), (27, 758611), (29, 706293), (37, 553581), (63, 325119), (87, 235431), (101, 202797), (111, 184527), (189, 108373), (203, 100899), (259, 79083), (261, 78477), (303, 67599), (333, 61509), (609, 33633), (707, 28971), (777, 26361), (783, 26159), (909, 22533), (999, 20503), (1073, 19089), (1827, 11211), (2121, 9657), (2331, 8787), (2727, 7511), (2929, 6993), (3219, 6363), (3737, 5481)]