20871392

素因数分解:

$2^5\times {\mathrm{239}}^1\times {\mathrm{2729}}^1$

素因数の和:2978

約数の個数: 24

約数和(自身を含む): 41277600

約数和(自身を除く): 20406208

約数列:

[1, 2, 4, 8, 16, 32, 239, 478, 956, 1912, 2729, 3824, 5458, 7648, 10916, 21832, 43664, 87328, 652231, 1304462, 2608924, 5217848, 10435696, 20871392]

約数ペア:

[(1, 20871392), (2, 10435696), (4, 5217848), (8, 2608924), (16, 1304462), (32, 652231), (239, 87328), (478, 43664), (956, 21832), (1912, 10916), (2729, 7648), (3824, 5458)]