20848904

素因数分解:

$2^3\times {\mathrm{197}}^1\times {\mathrm{13229}}^1$

素因数の和:13432

約数の個数: 16

約数和(自身を含む): 39293100

約数和(自身を除く): 18444196

約数列:

[1, 2, 4, 8, 197, 394, 788, 1576, 13229, 26458, 52916, 105832, 2606113, 5212226, 10424452, 20848904]

約数ペア:

[(1, 20848904), (2, 10424452), (4, 5212226), (8, 2606113), (197, 105832), (394, 52916), (788, 26458), (1576, 13229)]