20729448

素因数分解:

$2^3\times 3^2\times {\mathrm{127}}^1\times {\mathrm{2267}}^1$

素因数の和:2406

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 35879832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 127, 254, 381, 508, 762, 1016, 1143, 1524, 2267, 2286, 3048, 4534, 4572, 6801, 9068, 9144, 13602, 18136, 20403, 27204, 40806, 54408, 81612, 163224, 287909, 575818, 863727, 1151636, 1727454, 2303272, 2591181, 3454908, 5182362, 6909816, 10364724, 20729448]

約数ペア:

[(1, 20729448), (2, 10364724), (3, 6909816), (4, 5182362), (6, 3454908), (8, 2591181), (9, 2303272), (12, 1727454), (18, 1151636), (24, 863727), (36, 575818), (72, 287909), (127, 163224), (254, 81612), (381, 54408), (508, 40806), (762, 27204), (1016, 20403), (1143, 18136), (1524, 13602), (2267, 9144), (2286, 9068), (3048, 6801), (4534, 4572)]