20508005

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7417}}^1$

素因数の和:7508

約数の個数: 16

約数和(自身を含む): 28485120

約数和(自身を除く): 7977115

約数列:

[1, 5, 7, 35, 79, 395, 553, 2765, 7417, 37085, 51919, 259595, 585943, 2929715, 4101601, 20508005]

約数ペア:

[(1, 20508005), (5, 4101601), (7, 2929715), (35, 585943), (79, 259595), (395, 51919), (553, 37085), (2765, 7417)]