20120085

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14423}}^1$

素因数の和:14465

約数の個数: 24

約数和(自身を含む): 36002304

約数和(自身を除く): 15882219

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 14423, 43269, 72115, 129807, 216345, 447113, 649035, 1341339, 2235565, 4024017, 6706695, 20120085]

約数ペア:

[(1, 20120085), (3, 6706695), (5, 4024017), (9, 2235565), (15, 1341339), (31, 649035), (45, 447113), (93, 216345), (155, 129807), (279, 72115), (465, 43269), (1395, 14423)]