20313891

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5987}}^1$

素因数の和:6035

約数の個数: 24

約数和(自身を含む): 32694480

約数和(自身を除く): 12380589

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 5987, 17961, 53883, 77831, 173623, 233493, 520869, 700479, 1562607, 2257099, 6771297, 20313891]

約数ペア:

[(1, 20313891), (3, 6771297), (9, 2257099), (13, 1562607), (29, 700479), (39, 520869), (87, 233493), (117, 173623), (261, 77831), (377, 53883), (1131, 17961), (3393, 5987)]