20951296

素因数分解:

$2^8\times {\mathrm{223}}^1\times {\mathrm{367}}^1$

素因数の和:606

約数の個数: 36

約数和(自身を含む): 42122752

約数和(自身を除く): 21171456

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 223, 256, 367, 446, 734, 892, 1468, 1784, 2936, 3568, 5872, 7136, 11744, 14272, 23488, 28544, 46976, 57088, 81841, 93952, 163682, 327364, 654728, 1309456, 2618912, 5237824, 10475648, 20951296]

約数ペア:

[(1, 20951296), (2, 10475648), (4, 5237824), (8, 2618912), (16, 1309456), (32, 654728), (64, 327364), (128, 163682), (223, 93952), (256, 81841), (367, 57088), (446, 46976), (734, 28544), (892, 23488), (1468, 14272), (1784, 11744), (2936, 7136), (3568, 5872)]