20371800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1787}}^1$

素因数の和:1825

約数の個数: 96

約数和(自身を含む): 66513600

約数和(自身を除く): 46141800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 100, 114, 120, 150, 152, 190, 200, 228, 285, 300, 380, 456, 475, 570, 600, 760, 950, 1140, 1425, 1787, 1900, 2280, 2850, 3574, 3800, 5361, 5700, 7148, 8935, 10722, 11400, 14296, 17870, 21444, 26805, 33953, 35740, 42888, 44675, 53610, 67906, 71480, 89350, 101859, 107220, 134025, 135812, 169765, 178700, 203718, 214440, 268050, 271624, 339530, 357400, 407436, 509295, 536100, 679060, 814872, 848825, 1018590, 1072200, 1358120, 1697650, 2037180, 2546475, 3395300, 4074360, 5092950, 6790600, 10185900, 20371800]

約数ペア:

[(1, 20371800), (2, 10185900), (3, 6790600), (4, 5092950), (5, 4074360), (6, 3395300), (8, 2546475), (10, 2037180), (12, 1697650), (15, 1358120), (19, 1072200), (20, 1018590), (24, 848825), (25, 814872), (30, 679060), (38, 536100), (40, 509295), (50, 407436), (57, 357400), (60, 339530), (75, 271624), (76, 268050), (95, 214440), (100, 203718), (114, 178700), (120, 169765), (150, 135812), (152, 134025), (190, 107220), (200, 101859), (228, 89350), (285, 71480), (300, 67906), (380, 53610), (456, 44675), (475, 42888), (570, 35740), (600, 33953), (760, 26805), (950, 21444), (1140, 17870), (1425, 14296), (1787, 11400), (1900, 10722), (2280, 8935), (2850, 7148), (3574, 5700), (3800, 5361)]