20075438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7237}}^1$

素因数の和:7331

約数の個数: 16

約数和(自身を含む): 32136720

約数和(自身を除く): 12061282

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 7237, 14474, 137503, 275006, 528301, 1056602, 10037719, 20075438]

約数ペア:

[(1, 20075438), (2, 10037719), (19, 1056602), (38, 528301), (73, 275006), (146, 137503), (1387, 14474), (2774, 7237)]