20469918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3271}}^1$

素因数の和:3432

約数の個数: 32

約数和(自身を含む): 47116800

約数和(自身を除く): 26646882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 149, 298, 447, 894, 1043, 2086, 3129, 3271, 6258, 6542, 9813, 19626, 22897, 45794, 68691, 137382, 487379, 974758, 1462137, 2924274, 3411653, 6823306, 10234959, 20469918]

約数ペア:

[(1, 20469918), (2, 10234959), (3, 6823306), (6, 3411653), (7, 2924274), (14, 1462137), (21, 974758), (42, 487379), (149, 137382), (298, 68691), (447, 45794), (894, 22897), (1043, 19626), (2086, 9813), (3129, 6542), (3271, 6258)]