20968016

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27883}}^1$

素因数の和:27938

約数の個数: 20

約数和(自身を含む): 41491392

約数和(自身を除く): 20523376

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27883, 55766, 111532, 223064, 446128, 1310501, 2621002, 5242004, 10484008, 20968016]

約数ペア:

[(1, 20968016), (2, 10484008), (4, 5242004), (8, 2621002), (16, 1310501), (47, 446128), (94, 223064), (188, 111532), (376, 55766), (752, 27883)]