20827392

素因数分解:

$2^8\times 3^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 56708736

約数和(自身を除く): 35881344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 128, 141, 188, 192, 256, 282, 376, 384, 564, 577, 752, 768, 1128, 1154, 1504, 1731, 2256, 2308, 3008, 3462, 4512, 4616, 6016, 6924, 9024, 9232, 12032, 13848, 18048, 18464, 27119, 27696, 36096, 36928, 54238, 55392, 73856, 81357, 108476, 110784, 147712, 162714, 216952, 221568, 325428, 433904, 443136, 650856, 867808, 1301712, 1735616, 2603424, 3471232, 5206848, 6942464, 10413696, 20827392]

約数ペア:

[(1, 20827392), (2, 10413696), (3, 6942464), (4, 5206848), (6, 3471232), (8, 2603424), (12, 1735616), (16, 1301712), (24, 867808), (32, 650856), (47, 443136), (48, 433904), (64, 325428), (94, 221568), (96, 216952), (128, 162714), (141, 147712), (188, 110784), (192, 108476), (256, 81357), (282, 73856), (376, 55392), (384, 54238), (564, 36928), (577, 36096), (752, 27696), (768, 27119), (1128, 18464), (1154, 18048), (1504, 13848), (1731, 12032), (2256, 9232), (2308, 9024), (3008, 6924), (3462, 6016), (4512, 4616)]