20075559

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12101}}^1$

素因数の和:12190

約数の個数: 16

約数和(自身を含む): 30981120

約数和(自身を除く): 10905561

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 12101, 36303, 84707, 254121, 955979, 2867937, 6691853, 20075559]

約数ペア:

[(1, 20075559), (3, 6691853), (7, 2867937), (21, 955979), (79, 254121), (237, 84707), (553, 36303), (1659, 12101)]