20941328

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{6203}}^1$

素因数の和:6422

約数の個数: 20

約数和(自身を含む): 40772688

約数和(自身を除く): 19831360

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 6203, 12406, 24812, 49624, 99248, 1308833, 2617666, 5235332, 10470664, 20941328]

約数ペア:

[(1, 20941328), (2, 10470664), (4, 5235332), (8, 2617666), (16, 1308833), (211, 99248), (422, 49624), (844, 24812), (1688, 12406), (3376, 6203)]