20329984

素因数分解:

$2^9\times {\mathrm{59}}^1\times {\mathrm{673}}^1$

素因数の和:750

約数の個数: 40

約数和(自身を含む): 41370120

約数和(自身を除く): 21040136

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 256, 472, 512, 673, 944, 1346, 1888, 2692, 3776, 5384, 7552, 10768, 15104, 21536, 30208, 39707, 43072, 79414, 86144, 158828, 172288, 317656, 344576, 635312, 1270624, 2541248, 5082496, 10164992, 20329984]

約数ペア:

[(1, 20329984), (2, 10164992), (4, 5082496), (8, 2541248), (16, 1270624), (32, 635312), (59, 344576), (64, 317656), (118, 172288), (128, 158828), (236, 86144), (256, 79414), (472, 43072), (512, 39707), (673, 30208), (944, 21536), (1346, 15104), (1888, 10768), (2692, 7552), (3776, 5384)]