20670480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1511}}^1$

素因数の和:1549

約数の個数: 120

約数和(自身を含む): 73120320

約数和(自身を除く): 52449840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1511, 1520, 1710, 2280, 2736, 3022, 3420, 4533, 4560, 6044, 6840, 7555, 9066, 12088, 13599, 13680, 15110, 18132, 22665, 24176, 27198, 28709, 30220, 36264, 45330, 54396, 57418, 60440, 67995, 72528, 86127, 90660, 108792, 114836, 120880, 135990, 143545, 172254, 181320, 217584, 229672, 258381, 271980, 287090, 344508, 362640, 430635, 459344, 516762, 543960, 574180, 689016, 861270, 1033524, 1087920, 1148360, 1291905, 1378032, 1722540, 2067048, 2296720, 2583810, 3445080, 4134096, 5167620, 6890160, 10335240, 20670480]

約数ペア:

[(1, 20670480), (2, 10335240), (3, 6890160), (4, 5167620), (5, 4134096), (6, 3445080), (8, 2583810), (9, 2296720), (10, 2067048), (12, 1722540), (15, 1378032), (16, 1291905), (18, 1148360), (19, 1087920), (20, 1033524), (24, 861270), (30, 689016), (36, 574180), (38, 543960), (40, 516762), (45, 459344), (48, 430635), (57, 362640), (60, 344508), (72, 287090), (76, 271980), (80, 258381), (90, 229672), (95, 217584), (114, 181320), (120, 172254), (144, 143545), (152, 135990), (171, 120880), (180, 114836), (190, 108792), (228, 90660), (240, 86127), (285, 72528), (304, 67995), (342, 60440), (360, 57418), (380, 54396), (456, 45330), (570, 36264), (684, 30220), (720, 28709), (760, 27198), (855, 24176), (912, 22665), (1140, 18132), (1368, 15110), (1511, 13680), (1520, 13599), (1710, 12088), (2280, 9066), (2736, 7555), (3022, 6840), (3420, 6044), (4533, 4560)]