20581512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{122509}}^1$

素因数の和:122525

約数の個数: 32

約数和(自身を含む): 58804800

約数和(自身を除く): 38223288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 122509, 245018, 367527, 490036, 735054, 857563, 980072, 1470108, 1715126, 2572689, 2940216, 3430252, 5145378, 6860504, 10290756, 20581512]

約数ペア:

[(1, 20581512), (2, 10290756), (3, 6860504), (4, 5145378), (6, 3430252), (7, 2940216), (8, 2572689), (12, 1715126), (14, 1470108), (21, 980072), (24, 857563), (28, 735054), (42, 490036), (56, 367527), (84, 245018), (168, 122509)]