20307896

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15767}}^1$

素因数の和:15803

約数の個数: 32

約数和(自身を含む): 45411840

約数和(自身を除く): 25103944

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 15767, 31534, 63068, 110369, 126136, 220738, 362641, 441476, 725282, 882952, 1450564, 2538487, 2901128, 5076974, 10153948, 20307896]

約数ペア:

[(1, 20307896), (2, 10153948), (4, 5076974), (7, 2901128), (8, 2538487), (14, 1450564), (23, 882952), (28, 725282), (46, 441476), (56, 362641), (92, 220738), (161, 126136), (184, 110369), (322, 63068), (644, 31534), (1288, 15767)]