20943954

素因数分解:

$2^1\times 3^3\times {\mathrm{199}}^1\times {\mathrm{1949}}^1$

素因数の和:2159

約数の個数: 32

約数和(自身を含む): 46800000

約数和(自身を除く): 25856046

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 199, 398, 597, 1194, 1791, 1949, 3582, 3898, 5373, 5847, 10746, 11694, 17541, 35082, 52623, 105246, 387851, 775702, 1163553, 2327106, 3490659, 6981318, 10471977, 20943954]

約数ペア:

[(1, 20943954), (2, 10471977), (3, 6981318), (6, 3490659), (9, 2327106), (18, 1163553), (27, 775702), (54, 387851), (199, 105246), (398, 52623), (597, 35082), (1194, 17541), (1791, 11694), (1949, 10746), (3582, 5847), (3898, 5373)]