20389952

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{2633}}^1$

素因数の和:2667

約数の個数: 42

約数和(自身を含む): 44490894

約数和(自身を除く): 24100942

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 176, 242, 352, 484, 704, 968, 1936, 2633, 3872, 5266, 7744, 10532, 21064, 28963, 42128, 57926, 84256, 115852, 168512, 231704, 318593, 463408, 637186, 926816, 1274372, 1853632, 2548744, 5097488, 10194976, 20389952]

約数ペア:

[(1, 20389952), (2, 10194976), (4, 5097488), (8, 2548744), (11, 1853632), (16, 1274372), (22, 926816), (32, 637186), (44, 463408), (64, 318593), (88, 231704), (121, 168512), (176, 115852), (242, 84256), (352, 57926), (484, 42128), (704, 28963), (968, 21064), (1936, 10532), (2633, 7744), (3872, 5266)]