20649404

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{41}}^2\times {\mathrm{83}}^1$

素因数の和:206

約数の個数: 36

約数和(自身を含む): 38498712

約数和(自身を除く): 17849308

約数列:

[1, 2, 4, 37, 41, 74, 82, 83, 148, 164, 166, 332, 1517, 1681, 3034, 3071, 3362, 3403, 6068, 6142, 6724, 6806, 12284, 13612, 62197, 124394, 125911, 139523, 248788, 251822, 279046, 503644, 558092, 5162351, 10324702, 20649404]

約数ペア:

[(1, 20649404), (2, 10324702), (4, 5162351), (37, 558092), (41, 503644), (74, 279046), (82, 251822), (83, 248788), (148, 139523), (164, 125911), (166, 124394), (332, 62197), (1517, 13612), (1681, 12284), (3034, 6806), (3071, 6724), (3362, 6142), (3403, 6068)]