20940744

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{7211}}^1$

素因数の和:7242

約数の個数: 48

約数和(自身を含む): 57551760

約数和(自身を除く): 36611016

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 7211, 14422, 21633, 28844, 43266, 57688, 79321, 86532, 158642, 173064, 237963, 317284, 475926, 634568, 872531, 951852, 1745062, 1903704, 2617593, 3490124, 5235186, 6980248, 10470372, 20940744]

約数ペア:

[(1, 20940744), (2, 10470372), (3, 6980248), (4, 5235186), (6, 3490124), (8, 2617593), (11, 1903704), (12, 1745062), (22, 951852), (24, 872531), (33, 634568), (44, 475926), (66, 317284), (88, 237963), (121, 173064), (132, 158642), (242, 86532), (264, 79321), (363, 57688), (484, 43266), (726, 28844), (968, 21633), (1452, 14422), (2904, 7211)]