20748600

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11527}}^1$

素因数の和:11549

約数の個数: 72

約数和(自身を含む): 69686760

約数和(自身を除く): 48938160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11527, 23054, 34581, 46108, 57635, 69162, 92216, 103743, 115270, 138324, 172905, 207486, 230540, 276648, 288175, 345810, 414972, 461080, 518715, 576350, 691620, 829944, 864525, 1037430, 1152700, 1383240, 1729050, 2074860, 2305400, 2593575, 3458100, 4149720, 5187150, 6916200, 10374300, 20748600]

約数ペア:

[(1, 20748600), (2, 10374300), (3, 6916200), (4, 5187150), (5, 4149720), (6, 3458100), (8, 2593575), (9, 2305400), (10, 2074860), (12, 1729050), (15, 1383240), (18, 1152700), (20, 1037430), (24, 864525), (25, 829944), (30, 691620), (36, 576350), (40, 518715), (45, 461080), (50, 414972), (60, 345810), (72, 288175), (75, 276648), (90, 230540), (100, 207486), (120, 172905), (150, 138324), (180, 115270), (200, 103743), (225, 92216), (300, 69162), (360, 57635), (450, 46108), (600, 34581), (900, 23054), (1800, 11527)]