20992384

素因数分解:

$2^7\times 7^2\times {\mathrm{3347}}^1$

素因数の和:3375

約数の個数: 48

約数和(自身を含む): 48663180

約数和(自身を除く): 27670796

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 3347, 6272, 6694, 13388, 23429, 26776, 46858, 53552, 93716, 107104, 164003, 187432, 214208, 328006, 374864, 428416, 656012, 749728, 1312024, 1499456, 2624048, 2998912, 5248096, 10496192, 20992384]

約数ペア:

[(1, 20992384), (2, 10496192), (4, 5248096), (7, 2998912), (8, 2624048), (14, 1499456), (16, 1312024), (28, 749728), (32, 656012), (49, 428416), (56, 374864), (64, 328006), (98, 214208), (112, 187432), (128, 164003), (196, 107104), (224, 93716), (392, 53552), (448, 46858), (784, 26776), (896, 23429), (1568, 13388), (3136, 6694), (3347, 6272)]