20081605478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{337949}}^1$

素因数の和:338072

約数の個数: 32

約数和(自身を含む): 34211354400

約数和(自身を除く): 14129748922

約数列:

[1, 2, 11, 22, 37, 73, 74, 146, 407, 803, 814, 1606, 2701, 5402, 29711, 59422, 337949, 675898, 3717439, 7434878, 12504113, 24670277, 25008226, 49340554, 137545243, 271373047, 275090486, 542746094, 912800249, 1825600498, 10040802739, 20081605478]

約数ペア:

[(1, 20081605478), (2, 10040802739), (11, 1825600498), (22, 912800249), (37, 542746094), (73, 275090486), (74, 271373047), (146, 137545243), (407, 49340554), (803, 25008226), (814, 24670277), (1606, 12504113), (2701, 7434878), (5402, 3717439), (29711, 675898), (59422, 337949)]