20120355003

素因数分解:

$3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{2745307}}^1$

素因数の和:2745666

約数の個数: 16

約数和(自身を含む): 30747449600

約数和(自身を除く): 10627094597

約数列:

[1, 3, 7, 21, 349, 1047, 2443, 7329, 2745307, 8235921, 19217149, 57651447, 958112143, 2874336429, 6706785001, 20120355003]

約数ペア:

[(1, 20120355003), (3, 6706785001), (7, 2874336429), (21, 958112143), (349, 57651447), (1047, 19217149), (2443, 8235921), (7329, 2745307)]