20803347

素因数分解:

$3^2\times {\mathrm{19}}^3\times {\mathrm{337}}^1$

素因数の和:400

約数の個数: 24

約数和(自身を含む): 31812560

約数和(自身を除く): 11009213

約数列:

[1, 3, 9, 19, 57, 171, 337, 361, 1011, 1083, 3033, 3249, 6403, 6859, 19209, 20577, 57627, 61731, 121657, 364971, 1094913, 2311483, 6934449, 20803347]

約数ペア:

[(1, 20803347), (3, 6934449), (9, 2311483), (19, 1094913), (57, 364971), (171, 121657), (337, 61731), (361, 57627), (1011, 20577), (1083, 19209), (3033, 6859), (3249, 6403)]