20737255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{883}}^1$

素因数の和:967

約数の個数: 32

約数和(自身を含む): 31569408

約数和(自身を除く): 10832153

約数列:

[1, 5, 7, 11, 35, 55, 61, 77, 305, 385, 427, 671, 883, 2135, 3355, 4415, 4697, 6181, 9713, 23485, 30905, 48565, 53863, 67991, 269315, 339955, 377041, 592493, 1885205, 2962465, 4147451, 20737255]

約数ペア:

[(1, 20737255), (5, 4147451), (7, 2962465), (11, 1885205), (35, 592493), (55, 377041), (61, 339955), (77, 269315), (305, 67991), (385, 53863), (427, 48565), (671, 30905), (883, 23485), (2135, 9713), (3355, 6181), (4415, 4697)]