20838642

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4447}}^1$

素因数の和:4534

約数の個数: 32

約数和(自身を含む): 46116864

約数和(自身を除く): 25278222

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 781, 1562, 2343, 4447, 4686, 8894, 13341, 26682, 48917, 97834, 146751, 293502, 315737, 631474, 947211, 1894422, 3473107, 6946214, 10419321, 20838642]

約数ペア:

[(1, 20838642), (2, 10419321), (3, 6946214), (6, 3473107), (11, 1894422), (22, 947211), (33, 631474), (66, 315737), (71, 293502), (142, 146751), (213, 97834), (426, 48917), (781, 26682), (1562, 13341), (2343, 8894), (4447, 4686)]