20409768

素因数分解:

$2^3\times 3^2\times {\mathrm{467}}^1\times {\mathrm{607}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 55486080

約数和(自身を除く): 35076312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 467, 607, 934, 1214, 1401, 1821, 1868, 2428, 2802, 3642, 3736, 4203, 4856, 5463, 5604, 7284, 8406, 10926, 11208, 14568, 16812, 21852, 33624, 43704, 283469, 566938, 850407, 1133876, 1700814, 2267752, 2551221, 3401628, 5102442, 6803256, 10204884, 20409768]

約数ペア:

[(1, 20409768), (2, 10204884), (3, 6803256), (4, 5102442), (6, 3401628), (8, 2551221), (9, 2267752), (12, 1700814), (18, 1133876), (24, 850407), (36, 566938), (72, 283469), (467, 43704), (607, 33624), (934, 21852), (1214, 16812), (1401, 14568), (1821, 11208), (1868, 10926), (2428, 8406), (2802, 7284), (3642, 5604), (3736, 5463), (4203, 4856)]