20886120072

素因数分解:

$2^3\times 3^2\times {\mathrm{1609}}^1\times {\mathrm{180289}}^1$

素因数の和:181910

約数の個数: 48

約数和(自身を含む): 56602045500

約数和(自身を除く): 35715925428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1609, 3218, 4827, 6436, 9654, 12872, 14481, 19308, 28962, 38616, 57924, 115848, 180289, 360578, 540867, 721156, 1081734, 1442312, 1622601, 2163468, 3245202, 4326936, 6490404, 12980808, 290085001, 580170002, 870255003, 1160340004, 1740510006, 2320680008, 2610765009, 3481020012, 5221530018, 6962040024, 10443060036, 20886120072]

約数ペア:

[(1, 20886120072), (2, 10443060036), (3, 6962040024), (4, 5221530018), (6, 3481020012), (8, 2610765009), (9, 2320680008), (12, 1740510006), (18, 1160340004), (24, 870255003), (36, 580170002), (72, 290085001), (1609, 12980808), (3218, 6490404), (4827, 4326936), (6436, 3245202), (9654, 2163468), (12872, 1622601), (14481, 1442312), (19308, 1081734), (28962, 721156), (38616, 540867), (57924, 360578), (115848, 180289)]