20199337960

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{487}}^1\times {\mathrm{3539}}^1$

素因数の和:4330

約数の個数: 64

約数和(自身を含む): 45710179200

約数和(自身を除く): 25510841240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 487, 586, 974, 1172, 1465, 1948, 2344, 2435, 2930, 3539, 3896, 4870, 5860, 7078, 9740, 11720, 14156, 17695, 19480, 28312, 35390, 70780, 141560, 142691, 285382, 570764, 713455, 1036927, 1141528, 1426910, 1723493, 2073854, 2853820, 3446986, 4147708, 5184635, 5707640, 6893972, 8295416, 8617465, 10369270, 13787944, 17234930, 20738540, 34469860, 41477080, 68939720, 504983449, 1009966898, 2019933796, 2524917245, 4039867592, 5049834490, 10099668980, 20199337960]

約数ペア:

[(1, 20199337960), (2, 10099668980), (4, 5049834490), (5, 4039867592), (8, 2524917245), (10, 2019933796), (20, 1009966898), (40, 504983449), (293, 68939720), (487, 41477080), (586, 34469860), (974, 20738540), (1172, 17234930), (1465, 13787944), (1948, 10369270), (2344, 8617465), (2435, 8295416), (2930, 6893972), (3539, 5707640), (3896, 5184635), (4870, 4147708), (5860, 3446986), (7078, 2853820), (9740, 2073854), (11720, 1723493), (14156, 1426910), (17695, 1141528), (19480, 1036927), (28312, 713455), (35390, 570764), (70780, 285382), (141560, 142691)]