20480459778

素因数分解:

$2^1\times 3^2\times {\mathrm{1171}}^1\times {\mathrm{971651}}^1$

素因数の和:972830

約数の個数: 24

約数和(自身を含む): 44412269616

約数和(自身を除く): 23931809838

約数列:

[1, 2, 3, 6, 9, 18, 1171, 2342, 3513, 7026, 10539, 21078, 971651, 1943302, 2914953, 5829906, 8744859, 17489718, 1137803321, 2275606642, 3413409963, 6826819926, 10240229889, 20480459778]

約数ペア:

[(1, 20480459778), (2, 10240229889), (3, 6826819926), (6, 3413409963), (9, 2275606642), (18, 1137803321), (1171, 17489718), (2342, 8744859), (3513, 5829906), (7026, 2914953), (10539, 1943302), (21078, 971651)]