20201892751

素因数分解:

${\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1\times {\mathrm{1151}}^1$

素因数の和:2430

約数の個数: 16

約数和(自身を含む): 20570112000

約数和(自身を除く): 368219249

約数列:

[1, 89, 199, 991, 1151, 17711, 88199, 102439, 197209, 229049, 1140641, 17551601, 20385361, 101517049, 226987559, 20201892751]

約数ペア:

[(1, 20201892751), (89, 226987559), (199, 101517049), (991, 20385361), (1151, 17551601), (17711, 1140641), (88199, 229049), (102439, 197209)]