20649984

素因数分解:

$2^{11}\times 3^1\times {\mathrm{3361}}^1$

素因数の和:3386

約数の個数: 48

約数和(自身を含む): 55069560

約数和(自身を除く): 34419576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 2048, 3072, 3361, 6144, 6722, 10083, 13444, 20166, 26888, 40332, 53776, 80664, 107552, 161328, 215104, 322656, 430208, 645312, 860416, 1290624, 1720832, 2581248, 3441664, 5162496, 6883328, 10324992, 20649984]

約数ペア:

[(1, 20649984), (2, 10324992), (3, 6883328), (4, 5162496), (6, 3441664), (8, 2581248), (12, 1720832), (16, 1290624), (24, 860416), (32, 645312), (48, 430208), (64, 322656), (96, 215104), (128, 161328), (192, 107552), (256, 80664), (384, 53776), (512, 40332), (768, 26888), (1024, 20166), (1536, 13444), (2048, 10083), (3072, 6722), (3361, 6144)]