20112909520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22855579}}^1$

素因数の和:22855603

約数の個数: 40

約数和(自身を含む): 51013654560

約数和(自身を除く): 30900745040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22855579, 45711158, 91422316, 114277895, 182844632, 228555790, 251411369, 365689264, 457111580, 502822738, 914223160, 1005645476, 1257056845, 1828446320, 2011290952, 2514113690, 4022581904, 5028227380, 10056454760, 20112909520]

約数ペア:

[(1, 20112909520), (2, 10056454760), (4, 5028227380), (5, 4022581904), (8, 2514113690), (10, 2011290952), (11, 1828446320), (16, 1257056845), (20, 1005645476), (22, 914223160), (40, 502822738), (44, 457111580), (55, 365689264), (80, 251411369), (88, 228555790), (110, 182844632), (176, 114277895), (220, 91422316), (440, 45711158), (880, 22855579)]