20325712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2179}}^1$

素因数の和:2251

約数の個数: 40

約数和(自身を含む): 43791840

約数和(自身を除く): 23466128

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 2179, 2332, 4358, 4664, 8716, 9328, 17432, 23969, 34864, 47938, 95876, 115487, 191752, 230974, 383504, 461948, 923896, 1270357, 1847792, 2540714, 5081428, 10162856, 20325712]

約数ペア:

[(1, 20325712), (2, 10162856), (4, 5081428), (8, 2540714), (11, 1847792), (16, 1270357), (22, 923896), (44, 461948), (53, 383504), (88, 230974), (106, 191752), (176, 115487), (212, 95876), (424, 47938), (583, 34864), (848, 23969), (1166, 17432), (2179, 9328), (2332, 8716), (4358, 4664)]