20213565141

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{8573}}^1$

素因数の和:8826

約数の個数: 64

約数和(自身を含む): 34372823040

約数和(自身を除く): 14159257899

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 173, 177, 231, 413, 519, 649, 1211, 1239, 1903, 1947, 3633, 4543, 5709, 8573, 10207, 13321, 13629, 25719, 30621, 39963, 60011, 71449, 94303, 112277, 180033, 214347, 282909, 336831, 505807, 660121, 785939, 1483129, 1517421, 1980363, 2357817, 3540649, 4449387, 5563877, 10381903, 10621947, 16314419, 16691631, 31145709, 38947139, 48943257, 87504611, 114200933, 116841417, 262513833, 342602799, 612532277, 962550721, 1837596831, 2887652163, 6737855047, 20213565141]

約数ペア:

[(1, 20213565141), (3, 6737855047), (7, 2887652163), (11, 1837596831), (21, 962550721), (33, 612532277), (59, 342602799), (77, 262513833), (173, 116841417), (177, 114200933), (231, 87504611), (413, 48943257), (519, 38947139), (649, 31145709), (1211, 16691631), (1239, 16314419), (1903, 10621947), (1947, 10381903), (3633, 5563877), (4543, 4449387), (5709, 3540649), (8573, 2357817), (10207, 1980363), (13321, 1517421), (13629, 1483129), (25719, 785939), (30621, 660121), (39963, 505807), (60011, 336831), (71449, 282909), (94303, 214347), (112277, 180033)]