20869888

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{6271}}^1$

素因数の和:6300

約数の個数: 36

約数和(自身を含む): 44869888

約数和(自身を除く): 24000000

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 6271, 12542, 25084, 50168, 81523, 100336, 163046, 200672, 326092, 401344, 652184, 802688, 1304368, 1605376, 2608736, 5217472, 10434944, 20869888]

約数ペア:

[(1, 20869888), (2, 10434944), (4, 5217472), (8, 2608736), (13, 1605376), (16, 1304368), (26, 802688), (32, 652184), (52, 401344), (64, 326092), (104, 200672), (128, 163046), (208, 100336), (256, 81523), (416, 50168), (832, 25084), (1664, 12542), (3328, 6271)]