20996858109

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{461581}}^1$

素因数の和:461900

約数の個数: 16

約数和(自身を含む): 28581157440

約数和(自身を除く): 7584299331

約数列:

[1, 3, 59, 177, 257, 771, 15163, 45489, 461581, 1384743, 27233279, 81699837, 118626317, 355878951, 6998952703, 20996858109]

約数ペア:

[(1, 20996858109), (3, 6998952703), (59, 355878951), (177, 118626317), (257, 81699837), (771, 27233279), (15163, 1384743), (45489, 461581)]