20835459

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 30922320

約数和(自身を除く): 10086861

約数列:

[1, 3, 9, 67, 109, 201, 317, 327, 603, 951, 981, 2853, 7303, 21239, 21909, 34553, 63717, 65727, 103659, 191151, 310977, 2315051, 6945153, 20835459]

約数ペア:

[(1, 20835459), (3, 6945153), (9, 2315051), (67, 310977), (109, 191151), (201, 103659), (317, 65727), (327, 63717), (603, 34553), (951, 21909), (981, 21239), (2853, 7303)]