20624955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105769}}^1$

素因数の和:105790

約数の個数: 16

約数和(自身を含む): 35538720

約数和(自身を除く): 14913765

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 105769, 317307, 528845, 1374997, 1586535, 4124991, 6874985, 20624955]

約数ペア:

[(1, 20624955), (3, 6874985), (5, 4124991), (13, 1586535), (15, 1374997), (39, 528845), (65, 317307), (195, 105769)]