20191686237

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{1170329}}^1$

素因数の和:1170415

約数の個数: 24

約数和(自身を含む): 30672008640

約数和(自身を除く): 10480322403

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 639, 1917, 5751, 17253, 1170329, 3510987, 10532961, 31598883, 83093359, 94796649, 249280077, 284389947, 747840231, 2243520693, 6730562079, 20191686237]

約数ペア:

[(1, 20191686237), (3, 6730562079), (9, 2243520693), (27, 747840231), (71, 284389947), (81, 249280077), (213, 94796649), (243, 83093359), (639, 31598883), (1917, 10532961), (5751, 3510987), (17253, 1170329)]