20685942

素因数分解:

$2^1\times 3^4\times {\mathrm{127691}}^1$

素因数の和:127705

約数の個数: 20

約数和(自身を含む): 46352196

約数和(自身を除く): 25666254

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 127691, 255382, 383073, 766146, 1149219, 2298438, 3447657, 6895314, 10342971, 20685942]

約数ペア:

[(1, 20685942), (2, 10342971), (3, 6895314), (6, 3447657), (9, 2298438), (18, 1149219), (27, 766146), (54, 383073), (81, 255382), (162, 127691)]