20400642

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59651}}^1$

素因数の和:59678

約数の個数: 24

約数和(自身を含む): 46528560

約数和(自身を除く): 26127918

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 59651, 119302, 178953, 357906, 536859, 1073718, 1133369, 2266738, 3400107, 6800214, 10200321, 20400642]

約数ペア:

[(1, 20400642), (2, 10200321), (3, 6800214), (6, 3400107), (9, 2266738), (18, 1133369), (19, 1073718), (38, 536859), (57, 357906), (114, 178953), (171, 119302), (342, 59651)]