20198898

素因数分解:

$2^1\times 3^2\times {\mathrm{199}}^1\times {\mathrm{5639}}^1$

素因数の和:5846

約数の個数: 24

約数和(自身を含む): 43992000

約数和(自身を除く): 23793102

約数列:

[1, 2, 3, 6, 9, 18, 199, 398, 597, 1194, 1791, 3582, 5639, 11278, 16917, 33834, 50751, 101502, 1122161, 2244322, 3366483, 6732966, 10099449, 20198898]

約数ペア:

[(1, 20198898), (2, 10099449), (3, 6732966), (6, 3366483), (9, 2244322), (18, 1122161), (199, 101502), (398, 50751), (597, 33834), (1194, 16917), (1791, 11278), (3582, 5639)]