20271430

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19681}}^1$

素因数の和:19791

約数の個数: 16

約数和(自身を含む): 36844704

約数和(自身を除く): 16573274

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 19681, 39362, 98405, 196810, 2027143, 4054286, 10135715, 20271430]

約数ペア:

[(1, 20271430), (2, 10135715), (5, 4054286), (10, 2027143), (103, 196810), (206, 98405), (515, 39362), (1030, 19681)]