20393408

素因数分解:

$2^6\times 7^3\times {\mathrm{929}}^1$

素因数の和:962

約数の個数: 56

約数和(自身を含む): 47244000

約数和(自身を除く): 26850592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 343, 392, 448, 686, 784, 929, 1372, 1568, 1858, 2744, 3136, 3716, 5488, 6503, 7432, 10976, 13006, 14864, 21952, 26012, 29728, 45521, 52024, 59456, 91042, 104048, 182084, 208096, 318647, 364168, 416192, 637294, 728336, 1274588, 1456672, 2549176, 2913344, 5098352, 10196704, 20393408]

約数ペア:

[(1, 20393408), (2, 10196704), (4, 5098352), (7, 2913344), (8, 2549176), (14, 1456672), (16, 1274588), (28, 728336), (32, 637294), (49, 416192), (56, 364168), (64, 318647), (98, 208096), (112, 182084), (196, 104048), (224, 91042), (343, 59456), (392, 52024), (448, 45521), (686, 29728), (784, 26012), (929, 21952), (1372, 14864), (1568, 13006), (1858, 10976), (2744, 7432), (3136, 6503), (3716, 5488)]