20873224

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{42773}}^1$

素因数の和:42840

約数の個数: 16

約数和(自身を含む): 39779820

約数和(自身を除く): 18906596

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 42773, 85546, 171092, 342184, 2609153, 5218306, 10436612, 20873224]

約数ペア:

[(1, 20873224), (2, 10436612), (4, 5218306), (8, 2609153), (61, 342184), (122, 171092), (244, 85546), (488, 42773)]