20160213

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1861}}^1$

素因数の和:2044

約数の個数: 16

約数和(自身を含む): 28242816

約数和(自身を除く): 8082603

約数列:

[1, 3, 23, 69, 157, 471, 1861, 3611, 5583, 10833, 42803, 128409, 292177, 876531, 6720071, 20160213]

約数ペア:

[(1, 20160213), (3, 6720071), (23, 876531), (69, 292177), (157, 128409), (471, 42803), (1861, 10833), (3611, 5583)]