20728896

素因数分解:

$2^6\times 3^1\times {\mathrm{107}}^1\times {\mathrm{1009}}^1$

素因数の和:1131

約数の個数: 56

約数和(自身を含む): 55412640

約数和(自身を除く): 34683744

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 107, 192, 214, 321, 428, 642, 856, 1009, 1284, 1712, 2018, 2568, 3027, 3424, 4036, 5136, 6054, 6848, 8072, 10272, 12108, 16144, 20544, 24216, 32288, 48432, 64576, 96864, 107963, 193728, 215926, 323889, 431852, 647778, 863704, 1295556, 1727408, 2591112, 3454816, 5182224, 6909632, 10364448, 20728896]

約数ペア:

[(1, 20728896), (2, 10364448), (3, 6909632), (4, 5182224), (6, 3454816), (8, 2591112), (12, 1727408), (16, 1295556), (24, 863704), (32, 647778), (48, 431852), (64, 323889), (96, 215926), (107, 193728), (192, 107963), (214, 96864), (321, 64576), (428, 48432), (642, 32288), (856, 24216), (1009, 20544), (1284, 16144), (1712, 12108), (2018, 10272), (2568, 8072), (3027, 6848), (3424, 6054), (4036, 5136)]