20438367038

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{618707}}^1$

素因数の和:618991

約数の個数: 16

約数和(自身を含む): 31182883200

約数和(自身を除く): 10744516162

約数列:

[1, 2, 83, 166, 199, 398, 16517, 33034, 618707, 1237414, 51352681, 102705362, 123122693, 246245386, 10219183519, 20438367038]

約数ペア:

[(1, 20438367038), (2, 10219183519), (83, 246245386), (166, 123122693), (199, 102705362), (398, 51352681), (16517, 1237414), (33034, 618707)]