20058346

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:859

約数の個数: 48

約数和(自身を含む): 39890880

約数和(自身を除く): 19832534

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 49, 77, 98, 154, 161, 253, 322, 506, 539, 809, 1078, 1127, 1618, 1771, 2254, 3542, 5663, 8899, 11326, 12397, 17798, 18607, 24794, 37214, 39641, 62293, 79282, 124586, 130249, 204677, 260498, 409354, 436051, 872102, 911743, 1432739, 1823486, 2865478, 10029173, 20058346]

約数ペア:

[(1, 20058346), (2, 10029173), (7, 2865478), (11, 1823486), (14, 1432739), (22, 911743), (23, 872102), (46, 436051), (49, 409354), (77, 260498), (98, 204677), (154, 130249), (161, 124586), (253, 79282), (322, 62293), (506, 39641), (539, 37214), (809, 24794), (1078, 18607), (1127, 17798), (1618, 12397), (1771, 11326), (2254, 8899), (3542, 5663)]