20911484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15331}}^1$

素因数の和:15377

約数の個数: 24

約数和(自身を含む): 41212416

約数和(自身を除く): 20300932

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15331, 30662, 61324, 168641, 337282, 475261, 674564, 950522, 1901044, 5227871, 10455742, 20911484]

約数ペア:

[(1, 20911484), (2, 10455742), (4, 5227871), (11, 1901044), (22, 950522), (31, 674564), (44, 475261), (62, 337282), (124, 168641), (341, 61324), (682, 30662), (1364, 15331)]