20137720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26497}}^1$

素因数の和:26527

約数の個数: 32

約数和(自身を含む): 47696400

約数和(自身を除く): 27558680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26497, 52994, 105988, 132485, 211976, 264970, 503443, 529940, 1006886, 1059880, 2013772, 2517215, 4027544, 5034430, 10068860, 20137720]

約数ペア:

[(1, 20137720), (2, 10068860), (4, 5034430), (5, 4027544), (8, 2517215), (10, 2013772), (19, 1059880), (20, 1006886), (38, 529940), (40, 503443), (76, 264970), (95, 211976), (152, 132485), (190, 105988), (380, 52994), (760, 26497)]