20163601388

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4417967}}^1$

素因数の和:4418141

約数の個数: 24

約数和(自身を含む): 40574618112

約数和(自身を除く): 20411016724

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 4417967, 8835934, 17671868, 30925769, 61851538, 123703076, 720128621, 1440257242, 2880514484, 5040900347, 10081800694, 20163601388]

約数ペア:

[(1, 20163601388), (2, 10081800694), (4, 5040900347), (7, 2880514484), (14, 1440257242), (28, 720128621), (163, 123703076), (326, 61851538), (652, 30925769), (1141, 17671868), (2282, 8835934), (4564, 4417967)]