20376496

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4231}}^1$

素因数の和:4289

約数の個数: 40

約数和(自身を含む): 46179584

約数和(自身を除く): 25803088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4231, 4816, 8462, 16924, 29617, 33848, 59234, 67696, 118468, 181933, 236936, 363866, 473872, 727732, 1273531, 1455464, 2547062, 2910928, 5094124, 10188248, 20376496]

約数ペア:

[(1, 20376496), (2, 10188248), (4, 5094124), (7, 2910928), (8, 2547062), (14, 1455464), (16, 1273531), (28, 727732), (43, 473872), (56, 363866), (86, 236936), (112, 181933), (172, 118468), (301, 67696), (344, 59234), (602, 33848), (688, 29617), (1204, 16924), (2408, 8462), (4231, 4816)]