20328044680

素因数分解:

$2^3\times 5^1\times {\mathrm{5623}}^1\times {\mathrm{90379}}^1$

素因数の和:96013

約数の個数: 32

約数和(自身を含む): 45746740800

約数和(自身を除く): 25418696120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5623, 11246, 22492, 28115, 44984, 56230, 90379, 112460, 180758, 224920, 361516, 451895, 723032, 903790, 1807580, 3615160, 508201117, 1016402234, 2032804468, 2541005585, 4065608936, 5082011170, 10164022340, 20328044680]

約数ペア:

[(1, 20328044680), (2, 10164022340), (4, 5082011170), (5, 4065608936), (8, 2541005585), (10, 2032804468), (20, 1016402234), (40, 508201117), (5623, 3615160), (11246, 1807580), (22492, 903790), (28115, 723032), (44984, 451895), (56230, 361516), (90379, 224920), (112460, 180758)]