20589998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71993}}^1$

素因数の和:72019

約数の個数: 16

約数和(自身を含む): 36284976

約数和(自身を除く): 15694978

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71993, 143986, 791923, 935909, 1583846, 1871818, 10294999, 20589998]

約数ペア:

[(1, 20589998), (2, 10294999), (11, 1871818), (13, 1583846), (22, 935909), (26, 791923), (143, 143986), (286, 71993)]