17445820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4297}}^1$

素因数の和:4342

約数の個数: 48

約数和(自身を含む): 43323840

約数和(自身を除く): 25878020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 4297, 8594, 17188, 21485, 30079, 42970, 60158, 85940, 120316, 124613, 150395, 249226, 300790, 498452, 601580, 623065, 872291, 1246130, 1744582, 2492260, 3489164, 4361455, 8722910, 17445820]

約数ペア:

[(1, 17445820), (2, 8722910), (4, 4361455), (5, 3489164), (7, 2492260), (10, 1744582), (14, 1246130), (20, 872291), (28, 623065), (29, 601580), (35, 498452), (58, 300790), (70, 249226), (116, 150395), (140, 124613), (145, 120316), (203, 85940), (290, 60158), (406, 42970), (580, 30079), (812, 21485), (1015, 17188), (2030, 8594), (4060, 4297)]