13986620

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1091}}^1$

素因数の和:1741

約数の個数: 24

約数和(自身を含む): 29444688

約数和(自身を除く): 15458068

約数列:

[1, 2, 4, 5, 10, 20, 641, 1091, 1282, 2182, 2564, 3205, 4364, 5455, 6410, 10910, 12820, 21820, 699331, 1398662, 2797324, 3496655, 6993310, 13986620]

約数ペア:

[(1, 13986620), (2, 6993310), (4, 3496655), (5, 2797324), (10, 1398662), (20, 699331), (641, 21820), (1091, 12820), (1282, 10910), (2182, 6410), (2564, 5455), (3205, 4364)]