20715164

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{4153}}^1$

素因数の和:4229

約数の個数: 24

約数和(自身を含む): 38382960

約数和(自身を除く): 17667796

約数列:

[1, 2, 4, 29, 43, 58, 86, 116, 172, 1247, 2494, 4153, 4988, 8306, 16612, 120437, 178579, 240874, 357158, 481748, 714316, 5178791, 10357582, 20715164]

約数ペア:

[(1, 20715164), (2, 10357582), (4, 5178791), (29, 714316), (43, 481748), (58, 357158), (86, 240874), (116, 178579), (172, 120437), (1247, 16612), (2494, 8306), (4153, 4988)]