20346974828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{2111}}^1\times {\mathrm{126823}}^1$

素因数の和:128957

約数の個数: 24

約数和(自身を含む): 37499320320

約数和(自身を除く): 17152345492

約数列:

[1, 2, 4, 19, 38, 76, 2111, 4222, 8444, 40109, 80218, 126823, 160436, 253646, 507292, 2409637, 4819274, 9638548, 267723353, 535446706, 1070893412, 5086743707, 10173487414, 20346974828]

約数ペア:

[(1, 20346974828), (2, 10173487414), (4, 5086743707), (19, 1070893412), (38, 535446706), (76, 267723353), (2111, 9638548), (4222, 4819274), (8444, 2409637), (40109, 507292), (80218, 253646), (126823, 160436)]