20872592

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4363}}^1$

素因数の和:4407

約数の個数: 40

約数和(自身を含む): 45455424

約数和(自身を除く): 24582832

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4363, 4784, 8726, 17452, 34904, 56719, 69808, 100349, 113438, 200698, 226876, 401396, 453752, 802792, 907504, 1304537, 1605584, 2609074, 5218148, 10436296, 20872592]

約数ペア:

[(1, 20872592), (2, 10436296), (4, 5218148), (8, 2609074), (13, 1605584), (16, 1304537), (23, 907504), (26, 802792), (46, 453752), (52, 401396), (92, 226876), (104, 200698), (184, 113438), (208, 100349), (299, 69808), (368, 56719), (598, 34904), (1196, 17452), (2392, 8726), (4363, 4784)]