20551290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1499}}^1$

素因数の和:1966

約数の個数: 32

約数和(自身を含む): 49464000

約数和(自身を除く): 28912710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 457, 914, 1371, 1499, 2285, 2742, 2998, 4497, 4570, 6855, 7495, 8994, 13710, 14990, 22485, 44970, 685043, 1370086, 2055129, 3425215, 4110258, 6850430, 10275645, 20551290]

約数ペア:

[(1, 20551290), (2, 10275645), (3, 6850430), (5, 4110258), (6, 3425215), (10, 2055129), (15, 1370086), (30, 685043), (457, 44970), (914, 22485), (1371, 14990), (1499, 13710), (2285, 8994), (2742, 7495), (2998, 6855), (4497, 4570)]