201720434788

素因数分解:

$2^2\times {\mathrm{2347}}^1\times {\mathrm{21487051}}^1$

素因数の和:21489402

約数の個数: 12

約数和(自身を含む): 353161186672

約数和(自身を除く): 151440751884

約数列:

[1, 2, 4, 2347, 4694, 9388, 21487051, 42974102, 85948204, 50430108697, 100860217394, 201720434788]

約数ペア:

[(1, 201720434788), (2, 100860217394), (4, 50430108697), (2347, 85948204), (4694, 42974102), (9388, 21487051)]