20912128

素因数分解:

$2^{11}\times {\mathrm{10211}}^1$

素因数の和:10233

約数の個数: 24

約数和(自身を含む): 41818140

約数和(自身を除く): 20906012

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 10211, 20422, 40844, 81688, 163376, 326752, 653504, 1307008, 2614016, 5228032, 10456064, 20912128]

約数ペア:

[(1, 20912128), (2, 10456064), (4, 5228032), (8, 2614016), (16, 1307008), (32, 653504), (64, 326752), (128, 163376), (256, 81688), (512, 40844), (1024, 20422), (2048, 10211)]