20969256

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1621}}^1$

素因数の和:1655

約数の個数: 96

約数和(自身を含む): 66566880

約数和(自身を除く): 45597624

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 49, 56, 66, 77, 84, 88, 98, 132, 147, 154, 168, 196, 231, 264, 294, 308, 392, 462, 539, 588, 616, 924, 1078, 1176, 1617, 1621, 1848, 2156, 3234, 3242, 4312, 4863, 6468, 6484, 9726, 11347, 12936, 12968, 17831, 19452, 22694, 34041, 35662, 38904, 45388, 53493, 68082, 71324, 79429, 90776, 106986, 124817, 136164, 142648, 158858, 213972, 238287, 249634, 272328, 317716, 374451, 427944, 476574, 499268, 635432, 748902, 873719, 953148, 998536, 1497804, 1747438, 1906296, 2621157, 2995608, 3494876, 5242314, 6989752, 10484628, 20969256]

約数ペア:

[(1, 20969256), (2, 10484628), (3, 6989752), (4, 5242314), (6, 3494876), (7, 2995608), (8, 2621157), (11, 1906296), (12, 1747438), (14, 1497804), (21, 998536), (22, 953148), (24, 873719), (28, 748902), (33, 635432), (42, 499268), (44, 476574), (49, 427944), (56, 374451), (66, 317716), (77, 272328), (84, 249634), (88, 238287), (98, 213972), (132, 158858), (147, 142648), (154, 136164), (168, 124817), (196, 106986), (231, 90776), (264, 79429), (294, 71324), (308, 68082), (392, 53493), (462, 45388), (539, 38904), (588, 35662), (616, 34041), (924, 22694), (1078, 19452), (1176, 17831), (1617, 12968), (1621, 12936), (1848, 11347), (2156, 9726), (3234, 6484), (3242, 6468), (4312, 4863)]