20827304

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49121}}^1$

素因数の和:49180

約数の個数: 16

約数和(自身を含む): 39788820

約数和(自身を除く): 18961516

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49121, 98242, 196484, 392968, 2603413, 5206826, 10413652, 20827304]

約数ペア:

[(1, 20827304), (2, 10413652), (4, 5206826), (8, 2603413), (53, 392968), (106, 196484), (212, 98242), (424, 49121)]