20884810

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{13831}}^1$

素因数の和:13989

約数の個数: 16

約数和(自身を含む): 37844352

約数和(自身を除く): 16959542

約数列:

[1, 2, 5, 10, 151, 302, 755, 1510, 13831, 27662, 69155, 138310, 2088481, 4176962, 10442405, 20884810]

約数ペア:

[(1, 20884810), (2, 10442405), (5, 4176962), (10, 2088481), (151, 138310), (302, 69155), (755, 27662), (1510, 13831)]