17798620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127133}}^1$

素因数の和:127149

約数の個数: 24

約数和(自身を含む): 42717024

約数和(自身を除く): 24918404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 127133, 254266, 508532, 635665, 889931, 1271330, 1779862, 2542660, 3559724, 4449655, 8899310, 17798620]

約数ペア:

[(1, 17798620), (2, 8899310), (4, 4449655), (5, 3559724), (7, 2542660), (10, 1779862), (14, 1271330), (20, 889931), (28, 635665), (35, 508532), (70, 254266), (140, 127133)]