20723778896

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{7156001}}^1$

素因数の和:7156190

約数の個数: 20

約数和(自身を含む): 40374163284

約数和(自身を除く): 19650384388

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 7156001, 14312002, 28624004, 57248008, 114496016, 1295236181, 2590472362, 5180944724, 10361889448, 20723778896]

約数ペア:

[(1, 20723778896), (2, 10361889448), (4, 5180944724), (8, 2590472362), (16, 1295236181), (181, 114496016), (362, 57248008), (724, 28624004), (1448, 14312002), (2896, 7156001)]