20121572170

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41064433}}^1$

素因数の和:41064454

約数の個数: 24

約数和(自身を含む): 42132109284

約数和(自身を除く): 22010537114

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41064433, 82128866, 205322165, 287451031, 410644330, 574902062, 1437255155, 2012157217, 2874510310, 4024314434, 10060786085, 20121572170]

約数ペア:

[(1, 20121572170), (2, 10060786085), (5, 4024314434), (7, 2874510310), (10, 2012157217), (14, 1437255155), (35, 574902062), (49, 410644330), (70, 287451031), (98, 205322165), (245, 82128866), (490, 41064433)]