20761384

素因数分解:

$2^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2143}}^1$

素因数の和:2329

約数の個数: 32

約数和(自身を含む): 44766720

約数和(自身を除く): 24005336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 173, 346, 692, 1211, 1384, 2143, 2422, 4286, 4844, 8572, 9688, 15001, 17144, 30002, 60004, 120008, 370739, 741478, 1482956, 2595173, 2965912, 5190346, 10380692, 20761384]

約数ペア:

[(1, 20761384), (2, 10380692), (4, 5190346), (7, 2965912), (8, 2595173), (14, 1482956), (28, 741478), (56, 370739), (173, 120008), (346, 60004), (692, 30002), (1211, 17144), (1384, 15001), (2143, 9688), (2422, 8572), (4286, 4844)]