20327072

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{661}}^1$

素因数の和:733

約数の個数: 36

約数和(自身を含む): 41414058

約数和(自身を除く): 21086986

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 661, 961, 992, 1322, 1922, 2644, 3844, 5288, 7688, 10576, 15376, 20491, 21152, 30752, 40982, 81964, 163928, 327856, 635221, 655712, 1270442, 2540884, 5081768, 10163536, 20327072]

約数ペア:

[(1, 20327072), (2, 10163536), (4, 5081768), (8, 2540884), (16, 1270442), (31, 655712), (32, 635221), (62, 327856), (124, 163928), (248, 81964), (496, 40982), (661, 30752), (961, 21152), (992, 20491), (1322, 15376), (1922, 10576), (2644, 7688), (3844, 5288)]