20790540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38501}}^1$

素因数の和:38519

約数の個数: 48

約数和(自身を含む): 64683360

約数和(自身を除く): 43892820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38501, 77002, 115503, 154004, 192505, 231006, 346509, 385010, 462012, 577515, 693018, 770020, 1039527, 1155030, 1386036, 1732545, 2079054, 2310060, 3465090, 4158108, 5197635, 6930180, 10395270, 20790540]

約数ペア:

[(1, 20790540), (2, 10395270), (3, 6930180), (4, 5197635), (5, 4158108), (6, 3465090), (9, 2310060), (10, 2079054), (12, 1732545), (15, 1386036), (18, 1155030), (20, 1039527), (27, 770020), (30, 693018), (36, 577515), (45, 462012), (54, 385010), (60, 346509), (90, 231006), (108, 192505), (135, 154004), (180, 115503), (270, 77002), (540, 38501)]