20646346

素因数分解:

$2^1\times 7^2\times {\mathrm{457}}^1\times {\mathrm{461}}^1$

素因数の和:934

約数の個数: 24

約数和(自身を含む): 36182916

約数和(自身を除く): 15536570

約数列:

[1, 2, 7, 14, 49, 98, 457, 461, 914, 922, 3199, 3227, 6398, 6454, 22393, 22589, 44786, 45178, 210677, 421354, 1474739, 2949478, 10323173, 20646346]

約数ペア:

[(1, 20646346), (2, 10323173), (7, 2949478), (14, 1474739), (49, 421354), (98, 210677), (457, 45178), (461, 44786), (914, 22589), (922, 22393), (3199, 6454), (3227, 6398)]