20120804949

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13494839}}^1$

素因数の和:13494920

約数の個数: 16

約数和(自身を含む): 31092111360

約数和(自身を除く): 10971306411

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 13494839, 40484517, 94463873, 283391619, 958133569, 2874400707, 6706934983, 20120804949]

約数ペア:

[(1, 20120804949), (3, 6706934983), (7, 2874400707), (21, 958133569), (71, 283391619), (213, 94463873), (497, 40484517), (1491, 13494839)]