20188016

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{6971}}^1$

素因数の和:7160

約数の個数: 20

約数和(自身を含む): 39336024

約数和(自身を除く): 19148008

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 6971, 13942, 27884, 55768, 111536, 1261751, 2523502, 5047004, 10094008, 20188016]

約数ペア:

[(1, 20188016), (2, 10094008), (4, 5047004), (8, 2523502), (16, 1261751), (181, 111536), (362, 55768), (724, 27884), (1448, 13942), (2896, 6971)]