20029744

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4159}}^1$

素因数の和:4217

約数の個数: 40

約数和(自身を含む): 45393920

約数和(自身を除く): 25364176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4159, 4816, 8318, 16636, 29113, 33272, 58226, 66544, 116452, 178837, 232904, 357674, 465808, 715348, 1251859, 1430696, 2503718, 2861392, 5007436, 10014872, 20029744]

約数ペア:

[(1, 20029744), (2, 10014872), (4, 5007436), (7, 2861392), (8, 2503718), (14, 1430696), (16, 1251859), (28, 715348), (43, 465808), (56, 357674), (86, 232904), (112, 178837), (172, 116452), (301, 66544), (344, 58226), (602, 33272), (688, 29113), (1204, 16636), (2408, 8318), (4159, 4816)]