20397296.000000000

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{863}}^1\times {\mathrm{2383}}^1$

素因数の和:3258

約数の個数: 48

約数和(自身を含む): 346042368

約数和(自身を除く): 222650628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 863, 1726, 2383, 2589, 3452, 4315, 4766, 5178, 7149, 8630, 9532, 10356, 11915, 12945, 14298, 17260, 23830, 25890, 28596, 35745, 47660, 51780, 71490, 142980, 2056529, 4113058, 6169587, 8226116, 10282645, 12339174, 20565290, 24678348, 30847935, 41130580, 61695870, 123391740]

約数ペア:

[(1, 123391740), (2, 61695870), (3, 41130580), (4, 30847935), (5, 24678348), (6, 20565290), (10, 12339174), (12, 10282645), (15, 8226116), (20, 6169587), (30, 4113058), (60, 2056529), (863, 142980), (1726, 71490), (2383, 51780), (2589, 47660), (3452, 35745), (4315, 28596), (4766, 25890), (5178, 23830), (7149, 17260), (8630, 14298), (9532, 12945), (10356, 11915)]