20429696

素因数分解:

$2^7\times 7^1\times {\mathrm{151}}^2$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 46824120

約数和(自身を除く): 26394424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 151, 224, 302, 448, 604, 896, 1057, 1208, 2114, 2416, 4228, 4832, 8456, 9664, 16912, 19328, 22801, 33824, 45602, 67648, 91204, 135296, 159607, 182408, 319214, 364816, 638428, 729632, 1276856, 1459264, 2553712, 2918528, 5107424, 10214848, 20429696]

約数ペア:

[(1, 20429696), (2, 10214848), (4, 5107424), (7, 2918528), (8, 2553712), (14, 1459264), (16, 1276856), (28, 729632), (32, 638428), (56, 364816), (64, 319214), (112, 182408), (128, 159607), (151, 135296), (224, 91204), (302, 67648), (448, 45602), (604, 33824), (896, 22801), (1057, 19328), (1208, 16912), (2114, 9664), (2416, 8456), (4228, 4832)]