123736692020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{29321491}}^1$

素因数の和:29321711

約数の個数: 24

約数和(自身を含む): 261078564768

約数和(自身を除く): 137341872748

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 29321491, 58642982, 117285964, 146607455, 293214910, 586429820, 6186834601, 12373669202, 24747338404, 30934173005, 61868346010, 123736692020]

約数ペア:

[(1, 123736692020), (2, 61868346010), (4, 30934173005), (5, 24747338404), (10, 12373669202), (20, 6186834601), (211, 586429820), (422, 293214910), (844, 146607455), (1055, 117285964), (2110, 58642982), (4220, 29321491)]