20804948339

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^2\times {\mathrm{34847}}^1$

素因数の和:35007

約数の個数: 24

約数和(自身を含む): 25408373760

約数和(自身を除く): 4603425421

約数列:

[1, 7, 19, 67, 133, 469, 1273, 4489, 8911, 31423, 34847, 85291, 243929, 597037, 662093, 2334749, 4634651, 16343243, 44360231, 156428183, 310521617, 1094997281, 2972135477, 20804948339]

約数ペア:

[(1, 20804948339), (7, 2972135477), (19, 1094997281), (67, 310521617), (133, 156428183), (469, 44360231), (1273, 16343243), (4489, 4634651), (8911, 2334749), (31423, 662093), (34847, 597037), (85291, 243929)]