20733136

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{18251}}^1$

素因数の和:18330

約数の個数: 20

約数和(自身を含む): 40738464

約数和(自身を除く): 20005328

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 18251, 36502, 73004, 146008, 292016, 1295821, 2591642, 5183284, 10366568, 20733136]

約数ペア:

[(1, 20733136), (2, 10366568), (4, 5183284), (8, 2591642), (16, 1295821), (71, 292016), (142, 146008), (284, 73004), (568, 36502), (1136, 18251)]