20271960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56311}}^1$

素因数の和:56328

約数の個数: 48

約数和(自身を含む): 65885040

約数和(自身を除く): 45613080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56311, 112622, 168933, 225244, 281555, 337866, 450488, 506799, 563110, 675732, 844665, 1013598, 1126220, 1351464, 1689330, 2027196, 2252440, 2533995, 3378660, 4054392, 5067990, 6757320, 10135980, 20271960]

約数ペア:

[(1, 20271960), (2, 10135980), (3, 6757320), (4, 5067990), (5, 4054392), (6, 3378660), (8, 2533995), (9, 2252440), (10, 2027196), (12, 1689330), (15, 1351464), (18, 1126220), (20, 1013598), (24, 844665), (30, 675732), (36, 563110), (40, 506799), (45, 450488), (60, 337866), (72, 281555), (90, 225244), (120, 168933), (180, 112622), (360, 56311)]