20154893

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:436

約数の個数: 16

約数和(自身を含む): 22643712

約数和(自身を除く): 2488819

約数列:

[1, 11, 53, 181, 191, 583, 1991, 2101, 9593, 10123, 34571, 105523, 111353, 380281, 1832263, 20154893]

約数ペア:

[(1, 20154893), (11, 1832263), (53, 380281), (181, 111353), (191, 105523), (583, 34571), (1991, 10123), (2101, 9593)]