20569808

素因数分解:

$2^4\times 7^2\times {\mathrm{26237}}^1$

素因数の和:26259

約数の個数: 30

約数和(自身を含む): 46362546

約数和(自身を除く): 25792738

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26237, 52474, 104948, 183659, 209896, 367318, 419792, 734636, 1285613, 1469272, 2571226, 2938544, 5142452, 10284904, 20569808]

約数ペア:

[(1, 20569808), (2, 10284904), (4, 5142452), (7, 2938544), (8, 2571226), (14, 1469272), (16, 1285613), (28, 734636), (49, 419792), (56, 367318), (98, 209896), (112, 183659), (196, 104948), (392, 52474), (784, 26237)]