20049690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9413}}^1$

素因数の和:9494

約数の個数: 32

約数和(自身を含む): 48802176

約数和(自身を除く): 28752486

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9413, 18826, 28239, 47065, 56478, 94130, 141195, 282390, 668323, 1336646, 2004969, 3341615, 4009938, 6683230, 10024845, 20049690]

約数ペア:

[(1, 20049690), (2, 10024845), (3, 6683230), (5, 4009938), (6, 3341615), (10, 2004969), (15, 1336646), (30, 668323), (71, 282390), (142, 141195), (213, 94130), (355, 56478), (426, 47065), (710, 28239), (1065, 18826), (2130, 9413)]