20353440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42403}}^1$

素因数の和:42421

約数の個数: 48

約数和(自身を含む): 64114848

約数和(自身を除く): 43761408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42403, 84806, 127209, 169612, 212015, 254418, 339224, 424030, 508836, 636045, 678448, 848060, 1017672, 1272090, 1356896, 1696120, 2035344, 2544180, 3392240, 4070688, 5088360, 6784480, 10176720, 20353440]

約数ペア:

[(1, 20353440), (2, 10176720), (3, 6784480), (4, 5088360), (5, 4070688), (6, 3392240), (8, 2544180), (10, 2035344), (12, 1696120), (15, 1356896), (16, 1272090), (20, 1017672), (24, 848060), (30, 678448), (32, 636045), (40, 508836), (48, 424030), (60, 339224), (80, 254418), (96, 212015), (120, 169612), (160, 127209), (240, 84806), (480, 42403)]