20121866859

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1103}}^1\times {\mathrm{357703}}^1$

素因数の和:358826

約数の個数: 16

約数和(自身を含む): 28433175552

約数和(自身を除く): 8311308693

約数列:

[1, 3, 17, 51, 1103, 3309, 18751, 56253, 357703, 1073109, 6080951, 18242853, 394546409, 1183639227, 6707288953, 20121866859]

約数ペア:

[(1, 20121866859), (3, 6707288953), (17, 1183639227), (51, 394546409), (1103, 18242853), (3309, 6080951), (18751, 1073109), (56253, 357703)]