20431554

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23813}}^1$

素因数の和:23842

約数の個数: 32

約数和(自身を含む): 48009024

約数和(自身を除く): 27577470

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 23813, 47626, 71439, 142878, 261943, 309569, 523886, 619138, 785829, 928707, 1571658, 1857414, 3405259, 6810518, 10215777, 20431554]

約数ペア:

[(1, 20431554), (2, 10215777), (3, 6810518), (6, 3405259), (11, 1857414), (13, 1571658), (22, 928707), (26, 785829), (33, 619138), (39, 523886), (66, 309569), (78, 261943), (143, 142878), (286, 71439), (429, 47626), (858, 23813)]