20455218

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{162343}}^1$

素因数の和:162358

約数の個数: 24

約数和(自身を含む): 50651328

約数和(自身を除く): 30196110

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 162343, 324686, 487029, 974058, 1136401, 1461087, 2272802, 2922174, 3409203, 6818406, 10227609, 20455218]

約数ペア:

[(1, 20455218), (2, 10227609), (3, 6818406), (6, 3409203), (7, 2922174), (9, 2272802), (14, 1461087), (18, 1136401), (21, 974058), (42, 487029), (63, 324686), (126, 162343)]