20369307

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4597}}^1$

素因数の和:4818

約数の個数: 16

約数和(自身を含む): 31192832

約数和(自身を除く): 10823525

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 4597, 13791, 32179, 96537, 969967, 2909901, 6789769, 20369307]

約数ペア:

[(1, 20369307), (3, 6789769), (7, 2909901), (21, 969967), (211, 96537), (633, 32179), (1477, 13791), (4431, 4597)]