20937468

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{701}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 30954372

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 131, 228, 262, 393, 524, 701, 786, 1402, 1572, 2103, 2489, 2804, 4206, 4978, 7467, 8412, 9956, 13319, 14934, 26638, 29868, 39957, 53276, 79914, 91831, 159828, 183662, 275493, 367324, 550986, 1101972, 1744789, 3489578, 5234367, 6979156, 10468734, 20937468]

約数ペア:

[(1, 20937468), (2, 10468734), (3, 6979156), (4, 5234367), (6, 3489578), (12, 1744789), (19, 1101972), (38, 550986), (57, 367324), (76, 275493), (114, 183662), (131, 159828), (228, 91831), (262, 79914), (393, 53276), (524, 39957), (701, 29868), (786, 26638), (1402, 14934), (1572, 13319), (2103, 9956), (2489, 8412), (2804, 7467), (4206, 4978)]