20572150360

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1\times {\mathrm{359}}^1$

素因数の和:905

約数の個数: 128

約数和(自身を含む): 48833280000

約数和(自身を除く): 28261129640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 199, 230, 313, 359, 398, 460, 626, 718, 796, 920, 995, 1252, 1436, 1565, 1592, 1795, 1990, 2504, 2872, 3130, 3590, 3980, 4577, 6260, 7180, 7199, 7960, 8257, 9154, 12520, 14360, 14398, 16514, 18308, 22885, 28796, 33028, 35995, 36616, 41285, 45770, 57592, 62287, 66056, 71441, 71990, 82570, 91540, 112367, 124574, 142882, 143980, 165140, 183080, 224734, 249148, 285764, 287960, 311435, 330280, 357205, 449468, 498296, 561835, 571528, 622870, 714410, 898936, 1123670, 1245740, 1428820, 1432601, 1643143, 2247340, 2491480, 2584441, 2857640, 2865202, 3286286, 4494680, 5168882, 5730404, 6572572, 7163005, 8215715, 10337764, 11460808, 12922205, 13145144, 14326010, 16431430, 20675528, 22361033, 25844410, 28652020, 32862860, 44722066, 51688820, 57304040, 65725720, 89444132, 103377640, 111805165, 178888264, 223610330, 447220660, 514303759, 894441320, 1028607518, 2057215036, 2571518795, 4114430072, 5143037590, 10286075180, 20572150360]

約数ペア:

[(1, 20572150360), (2, 10286075180), (4, 5143037590), (5, 4114430072), (8, 2571518795), (10, 2057215036), (20, 1028607518), (23, 894441320), (40, 514303759), (46, 447220660), (92, 223610330), (115, 178888264), (184, 111805165), (199, 103377640), (230, 89444132), (313, 65725720), (359, 57304040), (398, 51688820), (460, 44722066), (626, 32862860), (718, 28652020), (796, 25844410), (920, 22361033), (995, 20675528), (1252, 16431430), (1436, 14326010), (1565, 13145144), (1592, 12922205), (1795, 11460808), (1990, 10337764), (2504, 8215715), (2872, 7163005), (3130, 6572572), (3590, 5730404), (3980, 5168882), (4577, 4494680), (6260, 3286286), (7180, 2865202), (7199, 2857640), (7960, 2584441), (8257, 2491480), (9154, 2247340), (12520, 1643143), (14360, 1432601), (14398, 1428820), (16514, 1245740), (18308, 1123670), (22885, 898936), (28796, 714410), (33028, 622870), (35995, 571528), (36616, 561835), (41285, 498296), (45770, 449468), (57592, 357205), (62287, 330280), (66056, 311435), (71441, 287960), (71990, 285764), (82570, 249148), (91540, 224734), (112367, 183080), (124574, 165140), (142882, 143980)]