20699970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2749}}^1$

素因数の和:3010

約数の個数: 32

約数和(自身を含む): 49896000

約数和(自身を除く): 29196030

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 251, 502, 753, 1255, 1506, 2510, 2749, 3765, 5498, 7530, 8247, 13745, 16494, 27490, 41235, 82470, 689999, 1379998, 2069997, 3449995, 4139994, 6899990, 10349985, 20699970]

約数ペア:

[(1, 20699970), (2, 10349985), (3, 6899990), (5, 4139994), (6, 3449995), (10, 2069997), (15, 1379998), (30, 689999), (251, 82470), (502, 41235), (753, 27490), (1255, 16494), (1506, 13745), (2510, 8247), (2749, 7530), (3765, 5498)]