20199651871

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{346793}}^1$

素因数の和:347010

約数の個数: 16

約数和(自身を含む): 23670771264

約数和(自身を除く): 3471119393

約数列:

[1, 7, 53, 157, 371, 1099, 8321, 58247, 346793, 2427551, 18380029, 54446501, 128660203, 381125507, 2885664553, 20199651871]

約数ペア:

[(1, 20199651871), (7, 2885664553), (53, 381125507), (157, 128660203), (371, 54446501), (1099, 18380029), (8321, 2427551), (58247, 346793)]