20796832

素因数分解:

$2^5\times 7^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:653

約数の個数: 48

約数和(自身を含む): 47113920

約数和(自身を除く): 26317088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 227, 409, 454, 818, 908, 1589, 1636, 1816, 2863, 3178, 3272, 3632, 5726, 6356, 6544, 7264, 11452, 12712, 13088, 22904, 25424, 45808, 50848, 91616, 92843, 185686, 371372, 649901, 742744, 1299802, 1485488, 2599604, 2970976, 5199208, 10398416, 20796832]

約数ペア:

[(1, 20796832), (2, 10398416), (4, 5199208), (7, 2970976), (8, 2599604), (14, 1485488), (16, 1299802), (28, 742744), (32, 649901), (56, 371372), (112, 185686), (224, 92843), (227, 91616), (409, 50848), (454, 45808), (818, 25424), (908, 22904), (1589, 13088), (1636, 12712), (1816, 11452), (2863, 7264), (3178, 6544), (3272, 6356), (3632, 5726)]