20951942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:964

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 15626362

約数列:

[1, 2, 11, 22, 23, 46, 47, 94, 253, 506, 517, 881, 1034, 1081, 1762, 2162, 9691, 11891, 19382, 20263, 23782, 40526, 41407, 82814, 222893, 445786, 455477, 910954, 952361, 1904722, 10475971, 20951942]

約数ペア:

[(1, 20951942), (2, 10475971), (11, 1904722), (22, 952361), (23, 910954), (46, 455477), (47, 445786), (94, 222893), (253, 82814), (506, 41407), (517, 40526), (881, 23782), (1034, 20263), (1081, 19382), (1762, 11891), (2162, 9691)]