20290715

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2417}}^1$

素因数の和:2518

約数の個数: 16

約数和(自身を含む): 25766208

約数和(自身を除く): 5475493

約数列:

[1, 5, 23, 73, 115, 365, 1679, 2417, 8395, 12085, 55591, 176441, 277955, 882205, 4058143, 20290715]

約数ペア:

[(1, 20290715), (5, 4058143), (23, 882205), (73, 277955), (115, 176441), (365, 55591), (1679, 12085), (2417, 8395)]