20941568

素因数分解:

$2^8\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:652

約数の個数: 36

約数和(自身を含む): 42126840

約数和(自身を除く): 21185272

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 179, 256, 358, 457, 716, 914, 1432, 1828, 2864, 3656, 5728, 7312, 11456, 14624, 22912, 29248, 45824, 58496, 81803, 116992, 163606, 327212, 654424, 1308848, 2617696, 5235392, 10470784, 20941568]

約数ペア:

[(1, 20941568), (2, 10470784), (4, 5235392), (8, 2617696), (16, 1308848), (32, 654424), (64, 327212), (128, 163606), (179, 116992), (256, 81803), (358, 58496), (457, 45824), (716, 29248), (914, 22912), (1432, 14624), (1828, 11456), (2864, 7312), (3656, 5728)]