20489469

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6823}}^1$

素因数の和:6857

約数の個数: 32

約数和(自身を含む): 36685824

約数和(自身を除く): 16196355

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 6823, 20469, 47761, 75053, 88699, 143283, 225159, 266097, 525371, 620893, 975689, 1576113, 1862679, 2927067, 6829823, 20489469]

約数ペア:

[(1, 20489469), (3, 6829823), (7, 2927067), (11, 1862679), (13, 1576113), (21, 975689), (33, 620893), (39, 525371), (77, 266097), (91, 225159), (143, 143283), (231, 88699), (273, 75053), (429, 47761), (1001, 20469), (3003, 6823)]