20065843

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{3079}}^1$

素因数の和:3119

約数の個数: 16

約数和(自身を含む): 24640000

約数和(自身を除く): 4574157

約数列:

[1, 7, 19, 49, 133, 343, 931, 3079, 6517, 21553, 58501, 150871, 409507, 1056097, 2866549, 20065843]

約数ペア:

[(1, 20065843), (7, 2866549), (19, 1056097), (49, 409507), (133, 150871), (343, 58501), (931, 21553), (3079, 6517)]