20280176

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4211}}^1$

素因数の和:4269

約数の個数: 40

約数和(自身を含む): 45961344

約数和(自身を除く): 25681168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4211, 4816, 8422, 16844, 29477, 33688, 58954, 67376, 117908, 181073, 235816, 362146, 471632, 724292, 1267511, 1448584, 2535022, 2897168, 5070044, 10140088, 20280176]

約数ペア:

[(1, 20280176), (2, 10140088), (4, 5070044), (7, 2897168), (8, 2535022), (14, 1448584), (16, 1267511), (28, 724292), (43, 471632), (56, 362146), (86, 235816), (112, 181073), (172, 117908), (301, 67376), (344, 58954), (602, 33688), (688, 29477), (1204, 16844), (2408, 8422), (4211, 4816)]