20175856869

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{9461}}^1$

素因数の和:9730

約数の個数: 48

約数和(自身を含む): 31842279360

約数和(自身を除く): 11666422491

約数列:

[1, 3, 7, 21, 49, 89, 147, 163, 267, 489, 623, 1141, 1869, 3423, 4361, 7987, 9461, 13083, 14507, 23961, 28383, 43521, 66227, 101549, 198681, 304647, 463589, 710843, 842029, 1390767, 1542143, 2132529, 2526087, 4626429, 5894203, 10795001, 17682609, 32385003, 41259421, 75565007, 123778263, 137250727, 226695021, 411752181, 960755089, 2882265267, 6725285623, 20175856869]

約数ペア:

[(1, 20175856869), (3, 6725285623), (7, 2882265267), (21, 960755089), (49, 411752181), (89, 226695021), (147, 137250727), (163, 123778263), (267, 75565007), (489, 41259421), (623, 32385003), (1141, 17682609), (1869, 10795001), (3423, 5894203), (4361, 4626429), (7987, 2526087), (9461, 2132529), (13083, 1542143), (14507, 1390767), (23961, 842029), (28383, 710843), (43521, 463589), (66227, 304647), (101549, 198681)]