20120778655

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5505001}}^1$

素因数の和:5505066

約数の個数: 16

約数和(自身を含む): 26159769504

約数和(自身を除く): 6038990849

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5505001, 27525005, 93585017, 236715043, 467925085, 1183575215, 4024155731, 20120778655]

約数ペア:

[(1, 20120778655), (5, 4024155731), (17, 1183575215), (43, 467925085), (85, 236715043), (215, 93585017), (731, 27525005), (3655, 5505001)]