20560050

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:193

約数の個数: 144

約数和(自身を含む): 64763712

約数和(自身を除く): 44203662

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 61, 63, 70, 75, 90, 105, 107, 122, 126, 150, 175, 183, 210, 214, 225, 305, 315, 321, 350, 366, 427, 450, 525, 535, 549, 610, 630, 642, 749, 854, 915, 963, 1050, 1070, 1098, 1281, 1498, 1525, 1575, 1605, 1830, 1926, 2135, 2247, 2562, 2675, 2745, 3050, 3150, 3210, 3745, 3843, 4270, 4494, 4575, 4815, 5350, 5490, 6405, 6527, 6741, 7490, 7686, 8025, 9150, 9630, 10675, 11235, 12810, 13054, 13482, 13725, 16050, 18725, 19215, 19581, 21350, 22470, 24075, 27450, 32025, 32635, 33705, 37450, 38430, 39162, 45689, 48150, 56175, 58743, 64050, 65270, 67410, 91378, 96075, 97905, 112350, 117486, 137067, 163175, 168525, 192150, 195810, 228445, 274134, 293715, 326350, 337050, 411201, 456890, 489525, 587430, 685335, 822402, 979050, 1142225, 1370670, 1468575, 2056005, 2284450, 2937150, 3426675, 4112010, 6853350, 10280025, 20560050]

約数ペア:

[(1, 20560050), (2, 10280025), (3, 6853350), (5, 4112010), (6, 3426675), (7, 2937150), (9, 2284450), (10, 2056005), (14, 1468575), (15, 1370670), (18, 1142225), (21, 979050), (25, 822402), (30, 685335), (35, 587430), (42, 489525), (45, 456890), (50, 411201), (61, 337050), (63, 326350), (70, 293715), (75, 274134), (90, 228445), (105, 195810), (107, 192150), (122, 168525), (126, 163175), (150, 137067), (175, 117486), (183, 112350), (210, 97905), (214, 96075), (225, 91378), (305, 67410), (315, 65270), (321, 64050), (350, 58743), (366, 56175), (427, 48150), (450, 45689), (525, 39162), (535, 38430), (549, 37450), (610, 33705), (630, 32635), (642, 32025), (749, 27450), (854, 24075), (915, 22470), (963, 21350), (1050, 19581), (1070, 19215), (1098, 18725), (1281, 16050), (1498, 13725), (1525, 13482), (1575, 13054), (1605, 12810), (1830, 11235), (1926, 10675), (2135, 9630), (2247, 9150), (2562, 8025), (2675, 7686), (2745, 7490), (3050, 6741), (3150, 6527), (3210, 6405), (3745, 5490), (3843, 5350), (4270, 4815), (4494, 4575)]