20650216

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{83267}}^1$

素因数の和:83304

約数の個数: 16

約数和(自身を含む): 39968640

約数和(自身を除く): 19318424

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 83267, 166534, 333068, 666136, 2581277, 5162554, 10325108, 20650216]

約数ペア:

[(1, 20650216), (2, 10325108), (4, 5162554), (8, 2581277), (31, 666136), (62, 333068), (124, 166534), (248, 83267)]