20369601

素因数分解:

$3^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{881}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 33755904

約数和(自身を除く): 13386303

約数列:

[1, 3, 7, 9, 21, 63, 367, 881, 1101, 2569, 2643, 3303, 6167, 7707, 7929, 18501, 23121, 55503, 323327, 969981, 2263289, 2909943, 6789867, 20369601]

約数ペア:

[(1, 20369601), (3, 6789867), (7, 2909943), (9, 2263289), (21, 969981), (63, 323327), (367, 55503), (881, 23121), (1101, 18501), (2569, 7929), (2643, 7707), (3303, 6167)]