20359808

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:785

約数の個数: 64

約数和(自身を含む): 47915520

約数和(自身を除く): 27555712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 733, 868, 896, 992, 1466, 1736, 1984, 2932, 3472, 3968, 5131, 5864, 6944, 10262, 11728, 13888, 20524, 22723, 23456, 27776, 41048, 45446, 46912, 82096, 90892, 93824, 159061, 164192, 181784, 318122, 328384, 363568, 636244, 656768, 727136, 1272488, 1454272, 2544976, 2908544, 5089952, 10179904, 20359808]

約数ペア:

[(1, 20359808), (2, 10179904), (4, 5089952), (7, 2908544), (8, 2544976), (14, 1454272), (16, 1272488), (28, 727136), (31, 656768), (32, 636244), (56, 363568), (62, 328384), (64, 318122), (112, 181784), (124, 164192), (128, 159061), (217, 93824), (224, 90892), (248, 82096), (434, 46912), (448, 45446), (496, 41048), (733, 27776), (868, 23456), (896, 22723), (992, 20524), (1466, 13888), (1736, 11728), (1984, 10262), (2932, 6944), (3472, 5864), (3968, 5131)]