20931002080

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1030069}}^1$

素因数の和:1030211

約数の個数: 48

約数和(自身を含む): 49838906880

約数和(自身を除く): 28907904800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 20320, 1030069, 2060138, 4120276, 5150345, 8240552, 10300690, 16481104, 20601380, 32962208, 41202760, 82405520, 130818763, 164811040, 261637526, 523275052, 654093815, 1046550104, 1308187630, 2093100208, 2616375260, 4186200416, 5232750520, 10465501040, 20931002080]

約数ペア:

[(1, 20931002080), (2, 10465501040), (4, 5232750520), (5, 4186200416), (8, 2616375260), (10, 2093100208), (16, 1308187630), (20, 1046550104), (32, 654093815), (40, 523275052), (80, 261637526), (127, 164811040), (160, 130818763), (254, 82405520), (508, 41202760), (635, 32962208), (1016, 20601380), (1270, 16481104), (2032, 10300690), (2540, 8240552), (4064, 5150345), (5080, 4120276), (10160, 2060138), (20320, 1030069)]