20178394838

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{229399}}^1$

素因数の和:229572

約数の個数: 32

約数和(自身を含む): 35500108800

約数和(自身を除く): 15321713962

約数列:

[1, 2, 7, 14, 61, 103, 122, 206, 427, 721, 854, 1442, 6283, 12566, 43981, 87962, 229399, 458798, 1605793, 3211586, 13993339, 23628097, 27986678, 47256194, 97953373, 165396679, 195906746, 330793358, 1441313917, 2882627834, 10089197419, 20178394838]

約数ペア:

[(1, 20178394838), (2, 10089197419), (7, 2882627834), (14, 1441313917), (61, 330793358), (103, 195906746), (122, 165396679), (206, 97953373), (427, 47256194), (721, 27986678), (854, 23628097), (1442, 13993339), (6283, 3211586), (12566, 1605793), (43981, 458798), (87962, 229399)]