20560792

素因数分解:

$2^3\times 7^3\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 46080000

約数和(自身を除く): 25519208

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 59, 98, 118, 127, 196, 236, 254, 343, 392, 413, 472, 508, 686, 826, 889, 1016, 1372, 1652, 1778, 2744, 2891, 3304, 3556, 5782, 6223, 7112, 7493, 11564, 12446, 14986, 20237, 23128, 24892, 29972, 40474, 43561, 49784, 52451, 59944, 80948, 87122, 104902, 161896, 174244, 209804, 348488, 367157, 419608, 734314, 1468628, 2570099, 2937256, 5140198, 10280396, 20560792]

約数ペア:

[(1, 20560792), (2, 10280396), (4, 5140198), (7, 2937256), (8, 2570099), (14, 1468628), (28, 734314), (49, 419608), (56, 367157), (59, 348488), (98, 209804), (118, 174244), (127, 161896), (196, 104902), (236, 87122), (254, 80948), (343, 59944), (392, 52451), (413, 49784), (472, 43561), (508, 40474), (686, 29972), (826, 24892), (889, 23128), (1016, 20237), (1372, 14986), (1652, 12446), (1778, 11564), (2744, 7493), (2891, 7112), (3304, 6223), (3556, 5782)]