20851038

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89107}}^1$

素因数の和:89128

約数の個数: 24

約数和(自身を含む): 48652968

約数和(自身を除く): 27801930

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 89107, 178214, 267321, 534642, 801963, 1158391, 1603926, 2316782, 3475173, 6950346, 10425519, 20851038]

約数ペア:

[(1, 20851038), (2, 10425519), (3, 6950346), (6, 3475173), (9, 2316782), (13, 1603926), (18, 1158391), (26, 801963), (39, 534642), (78, 267321), (117, 178214), (234, 89107)]