20138461147

素因数分解:

$7^2\times {\mathrm{257}}^1\times {\mathrm{389}}^1\times {\mathrm{4111}}^1$

素因数の和:4771

約数の個数: 24

約数和(自身を含む): 23583718080

約数和(自身を除く): 3445256933

約数列:

[1, 7, 49, 257, 389, 1799, 2723, 4111, 12593, 19061, 28777, 99973, 201439, 699811, 1056527, 1599179, 4898677, 7395689, 11194253, 51769823, 78359771, 410989003, 2876923021, 20138461147]

約数ペア:

[(1, 20138461147), (7, 2876923021), (49, 410989003), (257, 78359771), (389, 51769823), (1799, 11194253), (2723, 7395689), (4111, 4898677), (12593, 1599179), (19061, 1056527), (28777, 699811), (99973, 201439)]