20368224

素因数分解:

$2^5\times 3^2\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:572

約数の個数: 72

約数和(自身を含む): 58378320

約数和(自身を除く): 38010096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 197, 288, 359, 394, 591, 718, 788, 1077, 1182, 1436, 1576, 1773, 2154, 2364, 2872, 3152, 3231, 3546, 4308, 4728, 5744, 6304, 6462, 7092, 8616, 9456, 11488, 12924, 14184, 17232, 18912, 25848, 28368, 34464, 51696, 56736, 70723, 103392, 141446, 212169, 282892, 424338, 565784, 636507, 848676, 1131568, 1273014, 1697352, 2263136, 2546028, 3394704, 5092056, 6789408, 10184112, 20368224]

約数ペア:

[(1, 20368224), (2, 10184112), (3, 6789408), (4, 5092056), (6, 3394704), (8, 2546028), (9, 2263136), (12, 1697352), (16, 1273014), (18, 1131568), (24, 848676), (32, 636507), (36, 565784), (48, 424338), (72, 282892), (96, 212169), (144, 141446), (197, 103392), (288, 70723), (359, 56736), (394, 51696), (591, 34464), (718, 28368), (788, 25848), (1077, 18912), (1182, 17232), (1436, 14184), (1576, 12924), (1773, 11488), (2154, 9456), (2364, 8616), (2872, 7092), (3152, 6462), (3231, 6304), (3546, 5744), (4308, 4728)]