20719435

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1489}}^1$

素因数の和:1539

約数の個数: 24

約数和(自身を含む): 28536480

約数和(自身を除く): 7817045

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1265, 1489, 2783, 7445, 13915, 16379, 34247, 81895, 171235, 180169, 376717, 900845, 1883585, 4143887, 20719435]

約数ペア:

[(1, 20719435), (5, 4143887), (11, 1883585), (23, 900845), (55, 376717), (115, 180169), (121, 171235), (253, 81895), (605, 34247), (1265, 16379), (1489, 13915), (2783, 7445)]