20805530

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 38419920

約数和(自身を除く): 17614390

約数列:

[1, 2, 5, 10, 89, 97, 178, 194, 241, 445, 482, 485, 890, 970, 1205, 2410, 8633, 17266, 21449, 23377, 42898, 43165, 46754, 86330, 107245, 116885, 214490, 233770, 2080553, 4161106, 10402765, 20805530]

約数ペア:

[(1, 20805530), (2, 10402765), (5, 4161106), (10, 2080553), (89, 233770), (97, 214490), (178, 116885), (194, 107245), (241, 86330), (445, 46754), (482, 43165), (485, 42898), (890, 23377), (970, 21449), (1205, 17266), (2410, 8633)]