19743920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35257}}^1$

素因数の和:35277

約数の個数: 40

約数和(自身を含む): 52463904

約数和(自身を除く): 32719984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35257, 70514, 141028, 176285, 246799, 282056, 352570, 493598, 564112, 705140, 987196, 1233995, 1410280, 1974392, 2467990, 2820560, 3948784, 4935980, 9871960, 19743920]

約数ペア:

[(1, 19743920), (2, 9871960), (4, 4935980), (5, 3948784), (7, 2820560), (8, 2467990), (10, 1974392), (14, 1410280), (16, 1233995), (20, 987196), (28, 705140), (35, 564112), (40, 493598), (56, 352570), (70, 282056), (80, 246799), (112, 176285), (140, 141028), (280, 70514), (560, 35257)]