20578864

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{44351}}^1$

素因数の和:44388

約数の個数: 20

約数和(自身を含む): 41247360

約数和(自身を除く): 20668496

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 44351, 88702, 177404, 354808, 709616, 1286179, 2572358, 5144716, 10289432, 20578864]

約数ペア:

[(1, 20578864), (2, 10289432), (4, 5144716), (8, 2572358), (16, 1286179), (29, 709616), (58, 354808), (116, 177404), (232, 88702), (464, 44351)]