20906224

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{7219}}^1$

素因数の和:7408

約数の個数: 20

約数和(自身を含む): 40735240

約数和(自身を除く): 19829016

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 7219, 14438, 28876, 57752, 115504, 1306639, 2613278, 5226556, 10453112, 20906224]

約数ペア:

[(1, 20906224), (2, 10453112), (4, 5226556), (8, 2613278), (16, 1306639), (181, 115504), (362, 57752), (724, 28876), (1448, 14438), (2896, 7219)]