20816632

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 40245120

約数和(自身を除く): 19428488

約数列:

[1, 2, 4, 8, 67, 71, 134, 142, 268, 284, 536, 547, 568, 1094, 2188, 4376, 4757, 9514, 19028, 36649, 38056, 38837, 73298, 77674, 146596, 155348, 293192, 310696, 2602079, 5204158, 10408316, 20816632]

約数ペア:

[(1, 20816632), (2, 10408316), (4, 5204158), (8, 2602079), (67, 310696), (71, 293192), (134, 155348), (142, 146596), (268, 77674), (284, 73298), (536, 38837), (547, 38056), (568, 36649), (1094, 19028), (2188, 9514), (4376, 4757)]