20889344

素因数分解:

$2^8\times 7^1\times {\mathrm{11657}}^1$

素因数の和:11680

約数の個数: 36

約数和(自身を含む): 47657904

約数和(自身を除く): 26768560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11657, 23314, 46628, 81599, 93256, 163198, 186512, 326396, 373024, 652792, 746048, 1305584, 1492096, 2611168, 2984192, 5222336, 10444672, 20889344]

約数ペア:

[(1, 20889344), (2, 10444672), (4, 5222336), (7, 2984192), (8, 2611168), (14, 1492096), (16, 1305584), (28, 746048), (32, 652792), (56, 373024), (64, 326396), (112, 186512), (128, 163198), (224, 93256), (256, 81599), (448, 46628), (896, 23314), (1792, 11657)]