20788608

素因数分解:

$2^7\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1319

約数の個数: 64

約数和(自身を含む): 56548800

約数和(自身を除く): 35760192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 258, 344, 384, 516, 688, 1032, 1259, 1376, 2064, 2518, 2752, 3777, 4128, 5036, 5504, 7554, 8256, 10072, 15108, 16512, 20144, 30216, 40288, 54137, 60432, 80576, 108274, 120864, 161152, 162411, 216548, 241728, 324822, 433096, 483456, 649644, 866192, 1299288, 1732384, 2598576, 3464768, 5197152, 6929536, 10394304, 20788608]

約数ペア:

[(1, 20788608), (2, 10394304), (3, 6929536), (4, 5197152), (6, 3464768), (8, 2598576), (12, 1732384), (16, 1299288), (24, 866192), (32, 649644), (43, 483456), (48, 433096), (64, 324822), (86, 241728), (96, 216548), (128, 162411), (129, 161152), (172, 120864), (192, 108274), (258, 80576), (344, 60432), (384, 54137), (516, 40288), (688, 30216), (1032, 20144), (1259, 16512), (1376, 15108), (2064, 10072), (2518, 8256), (2752, 7554), (3777, 5504), (4128, 5036)]