20879264

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5483}}^1$

素因数の和:5517

約数の個数: 48

約数和(自身を含む): 49750848

約数和(自身を除く): 28871584

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5483, 10966, 21932, 38381, 43864, 76762, 87728, 93211, 153524, 175456, 186422, 307048, 372844, 614096, 652477, 745688, 1228192, 1304954, 1491376, 2609908, 2982752, 5219816, 10439632, 20879264]

約数ペア:

[(1, 20879264), (2, 10439632), (4, 5219816), (7, 2982752), (8, 2609908), (14, 1491376), (16, 1304954), (17, 1228192), (28, 745688), (32, 652477), (34, 614096), (56, 372844), (68, 307048), (112, 186422), (119, 175456), (136, 153524), (224, 93211), (238, 87728), (272, 76762), (476, 43864), (544, 38381), (952, 21932), (1904, 10966), (3808, 5483)]