20805152

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{1801}}^1$

素因数の和:1849

約数の個数: 36

約数和(自身を含む): 43253406

約数和(自身を除く): 22448254

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 361, 608, 722, 1444, 1801, 2888, 3602, 5776, 7204, 11552, 14408, 28816, 34219, 57632, 68438, 136876, 273752, 547504, 650161, 1095008, 1300322, 2600644, 5201288, 10402576, 20805152]

約数ペア:

[(1, 20805152), (2, 10402576), (4, 5201288), (8, 2600644), (16, 1300322), (19, 1095008), (32, 650161), (38, 547504), (76, 273752), (152, 136876), (304, 68438), (361, 57632), (608, 34219), (722, 28816), (1444, 14408), (1801, 11552), (2888, 7204), (3602, 5776)]