20561346

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87869}}^1$

素因数の和:87890

約数の個数: 24

約数和(自身を含む): 47977020

約数和(自身を除く): 27415674

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87869, 175738, 263607, 527214, 790821, 1142297, 1581642, 2284594, 3426891, 6853782, 10280673, 20561346]

約数ペア:

[(1, 20561346), (2, 10280673), (3, 6853782), (6, 3426891), (9, 2284594), (13, 1581642), (18, 1142297), (26, 790821), (39, 527214), (78, 263607), (117, 175738), (234, 87869)]