20518308

素因数分解:

$2^2\times 3^2\times {\mathrm{463}}^1\times {\mathrm{1231}}^1$

素因数の和:1704

約数の個数: 36

約数和(自身を含む): 52019968

約数和(自身を除く): 31501660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 463, 926, 1231, 1389, 1852, 2462, 2778, 3693, 4167, 4924, 5556, 7386, 8334, 11079, 14772, 16668, 22158, 44316, 569953, 1139906, 1709859, 2279812, 3419718, 5129577, 6839436, 10259154, 20518308]

約数ペア:

[(1, 20518308), (2, 10259154), (3, 6839436), (4, 5129577), (6, 3419718), (9, 2279812), (12, 1709859), (18, 1139906), (36, 569953), (463, 44316), (926, 22158), (1231, 16668), (1389, 14772), (1852, 11079), (2462, 8334), (2778, 7386), (3693, 5556), (4167, 4924)]