20423613

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3011}}^1$

素因数の和:3057

約数の個数: 32

約数和(自身を含む): 34698240

約数和(自身を除く): 14274627

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 3011, 6783, 9033, 21077, 51187, 57209, 63231, 153561, 171627, 358309, 400463, 972553, 1074927, 1201389, 2917659, 6807871, 20423613]

約数ペア:

[(1, 20423613), (3, 6807871), (7, 2917659), (17, 1201389), (19, 1074927), (21, 972553), (51, 400463), (57, 358309), (119, 171627), (133, 153561), (323, 63231), (357, 57209), (399, 51187), (969, 21077), (2261, 9033), (3011, 6783)]