20709954

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{15761}}^1$

素因数の和:15842

約数の個数: 24

約数和(自身を含む): 45489132

約数和(自身を除く): 24779178

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 15761, 31522, 47283, 94566, 141849, 283698, 1150553, 2301106, 3451659, 6903318, 10354977, 20709954]

約数ペア:

[(1, 20709954), (2, 10354977), (3, 6903318), (6, 3451659), (9, 2301106), (18, 1150553), (73, 283698), (146, 141849), (219, 94566), (438, 47283), (657, 31522), (1314, 15761)]