20403717141

素因数分解:

$3^1\times {\mathrm{431}}^1\times {\mathrm{787}}^1\times {\mathrm{20051}}^1$

素因数の和:21272

約数の個数: 16

約数和(自身を含む): 27304086528

約数和(自身を除く): 6900369387

約数列:

[1, 3, 431, 787, 1293, 2361, 20051, 60153, 339197, 1017591, 8641981, 15780137, 25925943, 47340411, 6801239047, 20403717141]

約数ペア:

[(1, 20403717141), (3, 6801239047), (431, 47340411), (787, 25925943), (1293, 15780137), (2361, 8641981), (20051, 1017591), (60153, 339197)]