20312684

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16871}}^1$

素因数の和:16925

約数の個数: 24

約数和(自身を含む): 41572608

約数和(自身を除く): 21259924

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16871, 33742, 67484, 118097, 236194, 472388, 725453, 1450906, 2901812, 5078171, 10156342, 20312684]

約数ペア:

[(1, 20312684), (2, 10156342), (4, 5078171), (7, 2901812), (14, 1450906), (28, 725453), (43, 472388), (86, 236194), (172, 118097), (301, 67484), (602, 33742), (1204, 16871)]