20893072

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{5081}}^1$

素因数の和:5346

約数の個数: 20

約数和(自身を含む): 40645836

約数和(自身を除く): 19752764

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 5081, 10162, 20324, 40648, 81296, 1305817, 2611634, 5223268, 10446536, 20893072]

約数ペア:

[(1, 20893072), (2, 10446536), (4, 5223268), (8, 2611634), (16, 1305817), (257, 81296), (514, 40648), (1028, 20324), (2056, 10162), (4112, 5081)]