20844110

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 44928000

約数和(自身を除く): 24083890

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 59, 70, 98, 103, 118, 206, 245, 295, 343, 413, 490, 515, 590, 686, 721, 826, 1030, 1442, 1715, 2065, 2891, 3430, 3605, 4130, 5047, 5782, 6077, 7210, 10094, 12154, 14455, 20237, 25235, 28910, 30385, 35329, 40474, 42539, 50470, 60770, 70658, 85078, 101185, 176645, 202370, 212695, 297773, 353290, 425390, 595546, 1488865, 2084411, 2977730, 4168822, 10422055, 20844110]

約数ペア:

[(1, 20844110), (2, 10422055), (5, 4168822), (7, 2977730), (10, 2084411), (14, 1488865), (35, 595546), (49, 425390), (59, 353290), (70, 297773), (98, 212695), (103, 202370), (118, 176645), (206, 101185), (245, 85078), (295, 70658), (343, 60770), (413, 50470), (490, 42539), (515, 40474), (590, 35329), (686, 30385), (721, 28910), (826, 25235), (1030, 20237), (1442, 14455), (1715, 12154), (2065, 10094), (2891, 7210), (3430, 6077), (3605, 5782), (4130, 5047)]