20551860

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5437}}^1$

素因数の和:5462

約数の個数: 96

約数和(自身を含む): 73086720

約数和(自身を除く): 52534860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5437, 10874, 16311, 21748, 27185, 32622, 38059, 48933, 54370, 65244, 76118, 81555, 97866, 108740, 114177, 146799, 152236, 163110, 190295, 195732, 228354, 244665, 293598, 326220, 342531, 380590, 456708, 489330, 570885, 587196, 685062, 733995, 761180, 978660, 1027593, 1141770, 1370124, 1467990, 1712655, 2055186, 2283540, 2935980, 3425310, 4110372, 5137965, 6850620, 10275930, 20551860]

約数ペア:

[(1, 20551860), (2, 10275930), (3, 6850620), (4, 5137965), (5, 4110372), (6, 3425310), (7, 2935980), (9, 2283540), (10, 2055186), (12, 1712655), (14, 1467990), (15, 1370124), (18, 1141770), (20, 1027593), (21, 978660), (27, 761180), (28, 733995), (30, 685062), (35, 587196), (36, 570885), (42, 489330), (45, 456708), (54, 380590), (60, 342531), (63, 326220), (70, 293598), (84, 244665), (90, 228354), (105, 195732), (108, 190295), (126, 163110), (135, 152236), (140, 146799), (180, 114177), (189, 108740), (210, 97866), (252, 81555), (270, 76118), (315, 65244), (378, 54370), (420, 48933), (540, 38059), (630, 32622), (756, 27185), (945, 21748), (1260, 16311), (1890, 10874), (3780, 5437)]