20379586

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1279}}^1$

素因数の和:1569

約数の個数: 16

約数和(自身を含む): 31703040

約数和(自身を除く): 11323454

約数列:

[1, 2, 31, 62, 257, 514, 1279, 2558, 7967, 15934, 39649, 79298, 328703, 657406, 10189793, 20379586]

約数ペア:

[(1, 20379586), (2, 10189793), (31, 657406), (62, 328703), (257, 79298), (514, 39649), (1279, 15934), (2558, 7967)]