20121557778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{159694903}}^1$

素因数の和:159694918

約数の個数: 24

約数和(自身を含む): 49824810048

約数和(自身を除く): 29703252270

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 159694903, 319389806, 479084709, 958169418, 1117864321, 1437254127, 2235728642, 2874508254, 3353592963, 6707185926, 10060778889, 20121557778]

約数ペア:

[(1, 20121557778), (2, 10060778889), (3, 6707185926), (6, 3353592963), (7, 2874508254), (9, 2235728642), (14, 1437254127), (18, 1117864321), (21, 958169418), (42, 479084709), (63, 319389806), (126, 159694903)]