20328333

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^2\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 28946400

約数和(自身を除く): 8618067

約数列:

[1, 3, 29, 41, 87, 123, 139, 417, 1189, 1681, 3567, 4031, 5043, 5699, 12093, 17097, 48749, 146247, 165271, 233659, 495813, 700977, 6776111, 20328333]

約数ペア:

[(1, 20328333), (3, 6776111), (29, 700977), (41, 495813), (87, 233659), (123, 165271), (139, 146247), (417, 48749), (1189, 17097), (1681, 12093), (3567, 5699), (4031, 5043)]