20169954500

素因数分解:

$2^2\times 5^3\times {\mathrm{83}}^1\times {\mathrm{486023}}^1$

素因数の和:486125

約数の個数: 48

約数和(自身を含む): 44582009472

約数和(自身を除く): 24412054972

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 125, 166, 250, 332, 415, 500, 830, 1660, 2075, 4150, 8300, 10375, 20750, 41500, 486023, 972046, 1944092, 2430115, 4860230, 9720460, 12150575, 24301150, 40339909, 48602300, 60752875, 80679818, 121505750, 161359636, 201699545, 243011500, 403399090, 806798180, 1008497725, 2016995450, 4033990900, 5042488625, 10084977250, 20169954500]

約数ペア:

[(1, 20169954500), (2, 10084977250), (4, 5042488625), (5, 4033990900), (10, 2016995450), (20, 1008497725), (25, 806798180), (50, 403399090), (83, 243011500), (100, 201699545), (125, 161359636), (166, 121505750), (250, 80679818), (332, 60752875), (415, 48602300), (500, 40339909), (830, 24301150), (1660, 12150575), (2075, 9720460), (4150, 4860230), (8300, 2430115), (10375, 1944092), (20750, 972046), (41500, 486023)]