20930228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 21405772

約数列:

[1, 2, 4, 11, 22, 29, 44, 47, 58, 94, 116, 188, 319, 349, 517, 638, 698, 1034, 1276, 1363, 1396, 2068, 2726, 3839, 5452, 7678, 10121, 14993, 15356, 16403, 20242, 29986, 32806, 40484, 59972, 65612, 111331, 180433, 222662, 360866, 445324, 475687, 721732, 951374, 1902748, 5232557, 10465114, 20930228]

約数ペア:

[(1, 20930228), (2, 10465114), (4, 5232557), (11, 1902748), (22, 951374), (29, 721732), (44, 475687), (47, 445324), (58, 360866), (94, 222662), (116, 180433), (188, 111331), (319, 65612), (349, 59972), (517, 40484), (638, 32806), (698, 29986), (1034, 20242), (1276, 16403), (1363, 15356), (1396, 14993), (2068, 10121), (2726, 7678), (3839, 5452)]