28020996

素因数分解:

$2^2\times 3^2\times {\mathrm{778361}}^1$

素因数の和:778371

約数の個数: 18

約数和(自身を含む): 70830942

約数和(自身を除く): 42809946

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 778361, 1556722, 2335083, 3113444, 4670166, 7005249, 9340332, 14010498, 28020996]

約数ペア:

[(1, 28020996), (2, 14010498), (3, 9340332), (4, 7005249), (6, 4670166), (9, 3113444), (12, 2335083), (18, 1556722), (36, 778361)]