20111690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{701}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 38413440

約数和(自身を除く): 18301750

約数列:

[1, 2, 5, 10, 19, 38, 95, 151, 190, 302, 701, 755, 1402, 1510, 2869, 3505, 5738, 7010, 13319, 14345, 26638, 28690, 66595, 105851, 133190, 211702, 529255, 1058510, 2011169, 4022338, 10055845, 20111690]

約数ペア:

[(1, 20111690), (2, 10055845), (5, 4022338), (10, 2011169), (19, 1058510), (38, 529255), (95, 211702), (151, 133190), (190, 105851), (302, 66595), (701, 28690), (755, 26638), (1402, 14345), (1510, 13319), (2869, 7010), (3505, 5738)]