20863066

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 15908774

約数列:

[1, 2, 7, 14, 71, 139, 142, 151, 278, 302, 497, 973, 994, 1057, 1946, 2114, 9869, 10721, 19738, 20989, 21442, 41978, 69083, 75047, 138166, 146923, 150094, 293846, 1490219, 2980438, 10431533, 20863066]

約数ペア:

[(1, 20863066), (2, 10431533), (7, 2980438), (14, 1490219), (71, 293846), (139, 150094), (142, 146923), (151, 138166), (278, 75047), (302, 69083), (497, 41978), (973, 21442), (994, 20989), (1057, 19738), (1946, 10721), (2114, 9869)]