20121054038

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1\times {\mathrm{28657}}^1$

素因数の和:28976

約数の個数: 32

約数和(自身を含む): 32423890464

約数和(自身を除く): 12302836426

約数列:

[1, 2, 17, 34, 107, 193, 214, 386, 1819, 3281, 3638, 6562, 20651, 28657, 41302, 57314, 351067, 487169, 702134, 974338, 3066299, 5530801, 6132598, 11061602, 52127083, 94023617, 104254166, 188047234, 591795707, 1183591414, 10060527019, 20121054038]

約数ペア:

[(1, 20121054038), (2, 10060527019), (17, 1183591414), (34, 591795707), (107, 188047234), (193, 104254166), (214, 94023617), (386, 52127083), (1819, 11061602), (3281, 6132598), (3638, 5530801), (6562, 3066299), (20651, 974338), (28657, 702134), (41302, 487169), (57314, 351067)]