20279256

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 53434080

約数和(自身を除く): 33154824

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 41, 74, 82, 111, 123, 148, 164, 222, 246, 296, 328, 444, 492, 557, 888, 984, 1114, 1517, 1671, 2228, 3034, 3342, 4456, 4551, 6068, 6684, 9102, 12136, 13368, 18204, 20609, 22837, 36408, 41218, 45674, 61827, 68511, 82436, 91348, 123654, 137022, 164872, 182696, 247308, 274044, 494616, 548088, 844969, 1689938, 2534907, 3379876, 5069814, 6759752, 10139628, 20279256]

約数ペア:

[(1, 20279256), (2, 10139628), (3, 6759752), (4, 5069814), (6, 3379876), (8, 2534907), (12, 1689938), (24, 844969), (37, 548088), (41, 494616), (74, 274044), (82, 247308), (111, 182696), (123, 164872), (148, 137022), (164, 123654), (222, 91348), (246, 82436), (296, 68511), (328, 61827), (444, 45674), (492, 41218), (557, 36408), (888, 22837), (984, 20609), (1114, 18204), (1517, 13368), (1671, 12136), (2228, 9102), (3034, 6684), (3342, 6068), (4456, 4551)]