20961842110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{957599}}^1$

素因数の和:957816

約数の個数: 32

約数和(自身を含む): 41368320000

約数和(自身を除く): 20406477890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 4378, 10945, 21890, 957599, 1915198, 4787995, 9575990, 10533589, 21067178, 52667945, 105335890, 190562201, 381124402, 952811005, 1905622010, 2096184211, 4192368422, 10480921055, 20961842110]

約数ペア:

[(1, 20961842110), (2, 10480921055), (5, 4192368422), (10, 2096184211), (11, 1905622010), (22, 952811005), (55, 381124402), (110, 190562201), (199, 105335890), (398, 52667945), (995, 21067178), (1990, 10533589), (2189, 9575990), (4378, 4787995), (10945, 1915198), (21890, 957599)]