20809408068

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18646423}}^1$

素因数の和:18646464

約数の個数: 36

約数和(自身を含む): 54298386688

約数和(自身を除く): 33488978620

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 18646423, 37292846, 55939269, 74585692, 111878538, 167817807, 223757076, 335635614, 578039113, 671271228, 1156078226, 1734117339, 2312156452, 3468234678, 5202352017, 6936469356, 10404704034, 20809408068]

約数ペア:

[(1, 20809408068), (2, 10404704034), (3, 6936469356), (4, 5202352017), (6, 3468234678), (9, 2312156452), (12, 1734117339), (18, 1156078226), (31, 671271228), (36, 578039113), (62, 335635614), (93, 223757076), (124, 167817807), (186, 111878538), (279, 74585692), (372, 55939269), (558, 37292846), (1116, 18646423)]