20052145148

素因数分解:

$2^2\times 7^2\times {\mathrm{443}}^1\times {\mathrm{230941}}^1$

素因数の和:231402

約数の個数: 36

約数和(自身を含む): 40912760952

約数和(自身を除く): 20860615804

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 443, 886, 1772, 3101, 6202, 12404, 21707, 43414, 86828, 230941, 461882, 923764, 1616587, 3233174, 6466348, 11316109, 22632218, 45264436, 102306863, 204613726, 409227452, 716148041, 1432296082, 2864592164, 5013036287, 10026072574, 20052145148]

約数ペア:

[(1, 20052145148), (2, 10026072574), (4, 5013036287), (7, 2864592164), (14, 1432296082), (28, 716148041), (49, 409227452), (98, 204613726), (196, 102306863), (443, 45264436), (886, 22632218), (1772, 11316109), (3101, 6466348), (6202, 3233174), (12404, 1616587), (21707, 923764), (43414, 461882), (86828, 230941)]