20178232

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61519}}^1$

素因数の和:61566

約数の個数: 16

約数和(自身を含む): 38757600

約数和(自身を除く): 18579368

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 61519, 123038, 246076, 492152, 2522279, 5044558, 10089116, 20178232]

約数ペア:

[(1, 20178232), (2, 10089116), (4, 5044558), (8, 2522279), (41, 492152), (82, 246076), (164, 123038), (328, 61519)]