20667744

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^1\times {\mathrm{1259}}^1$

素因数の和:1297

約数の個数: 96

約数和(自身を含む): 63504000

約数和(自身を除く): 42836256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 96, 108, 114, 144, 152, 171, 216, 228, 288, 304, 342, 432, 456, 513, 608, 684, 864, 912, 1026, 1259, 1368, 1824, 2052, 2518, 2736, 3777, 4104, 5036, 5472, 7554, 8208, 10072, 11331, 15108, 16416, 20144, 22662, 23921, 30216, 33993, 40288, 45324, 47842, 60432, 67986, 71763, 90648, 95684, 120864, 135972, 143526, 181296, 191368, 215289, 271944, 287052, 362592, 382736, 430578, 543888, 574104, 645867, 765472, 861156, 1087776, 1148208, 1291734, 1722312, 2296416, 2583468, 3444624, 5166936, 6889248, 10333872, 20667744]

約数ペア:

[(1, 20667744), (2, 10333872), (3, 6889248), (4, 5166936), (6, 3444624), (8, 2583468), (9, 2296416), (12, 1722312), (16, 1291734), (18, 1148208), (19, 1087776), (24, 861156), (27, 765472), (32, 645867), (36, 574104), (38, 543888), (48, 430578), (54, 382736), (57, 362592), (72, 287052), (76, 271944), (96, 215289), (108, 191368), (114, 181296), (144, 143526), (152, 135972), (171, 120864), (216, 95684), (228, 90648), (288, 71763), (304, 67986), (342, 60432), (432, 47842), (456, 45324), (513, 40288), (608, 33993), (684, 30216), (864, 23921), (912, 22662), (1026, 20144), (1259, 16416), (1368, 15108), (1824, 11331), (2052, 10072), (2518, 8208), (2736, 7554), (3777, 5472), (4104, 5036)]