20101563

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:336

約数の個数: 36

約数和(自身を含む): 32095440

約数和(自身を除く): 11993877

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 269, 361, 437, 807, 1083, 1311, 2421, 3249, 3933, 5111, 6187, 8303, 15333, 18561, 24909, 45999, 55683, 74727, 97109, 117553, 291327, 352659, 873981, 1057977, 2233507, 6700521, 20101563]

約数ペア:

[(1, 20101563), (3, 6700521), (9, 2233507), (19, 1057977), (23, 873981), (57, 352659), (69, 291327), (171, 117553), (207, 97109), (269, 74727), (361, 55683), (437, 45999), (807, 24909), (1083, 18561), (1311, 15333), (2421, 8303), (3249, 6187), (3933, 5111)]