20552205

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1949}}^1$

素因数の和:2013

約数の個数: 32

約数和(自身を含む): 35568000

約数和(自身を除く): 15015795

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 285, 555, 703, 1949, 2109, 3515, 5847, 9745, 10545, 29235, 37031, 72113, 111093, 185155, 216339, 360565, 555465, 1081695, 1370147, 4110441, 6850735, 20552205]

約数ペア:

[(1, 20552205), (3, 6850735), (5, 4110441), (15, 1370147), (19, 1081695), (37, 555465), (57, 360565), (95, 216339), (111, 185155), (185, 111093), (285, 72113), (555, 37031), (703, 29235), (1949, 10545), (2109, 9745), (3515, 5847)]