20043100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 57496320

約数和(自身を除く): 37453220

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 25, 28, 35, 38, 44, 50, 55, 70, 76, 77, 95, 100, 110, 133, 137, 140, 154, 175, 190, 209, 220, 266, 274, 275, 308, 350, 380, 385, 418, 475, 532, 548, 550, 665, 685, 700, 770, 836, 950, 959, 1045, 1100, 1330, 1370, 1463, 1507, 1540, 1900, 1918, 1925, 2090, 2603, 2660, 2740, 2926, 3014, 3325, 3425, 3836, 3850, 4180, 4795, 5206, 5225, 5852, 6028, 6650, 6850, 7315, 7535, 7700, 9590, 10412, 10450, 10549, 13015, 13300, 13700, 14630, 15070, 18221, 19180, 20900, 21098, 23975, 26030, 28633, 29260, 30140, 36442, 36575, 37675, 42196, 47950, 52060, 52745, 57266, 65075, 72884, 73150, 75350, 91105, 95900, 105490, 114532, 130150, 143165, 146300, 150700, 182210, 200431, 210980, 260300, 263725, 286330, 364420, 400862, 455525, 527450, 572660, 715825, 801724, 911050, 1002155, 1054900, 1431650, 1822100, 2004310, 2863300, 4008620, 5010775, 10021550, 20043100]

約数ペア:

[(1, 20043100), (2, 10021550), (4, 5010775), (5, 4008620), (7, 2863300), (10, 2004310), (11, 1822100), (14, 1431650), (19, 1054900), (20, 1002155), (22, 911050), (25, 801724), (28, 715825), (35, 572660), (38, 527450), (44, 455525), (50, 400862), (55, 364420), (70, 286330), (76, 263725), (77, 260300), (95, 210980), (100, 200431), (110, 182210), (133, 150700), (137, 146300), (140, 143165), (154, 130150), (175, 114532), (190, 105490), (209, 95900), (220, 91105), (266, 75350), (274, 73150), (275, 72884), (308, 65075), (350, 57266), (380, 52745), (385, 52060), (418, 47950), (475, 42196), (532, 37675), (548, 36575), (550, 36442), (665, 30140), (685, 29260), (700, 28633), (770, 26030), (836, 23975), (950, 21098), (959, 20900), (1045, 19180), (1100, 18221), (1330, 15070), (1370, 14630), (1463, 13700), (1507, 13300), (1540, 13015), (1900, 10549), (1918, 10450), (1925, 10412), (2090, 9590), (2603, 7700), (2660, 7535), (2740, 7315), (2926, 6850), (3014, 6650), (3325, 6028), (3425, 5852), (3836, 5225), (3850, 5206), (4180, 4795)]