20563320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 67392000

約数和(自身を除く): 46828680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 29, 30, 38, 40, 57, 58, 60, 76, 87, 95, 114, 116, 120, 145, 152, 174, 190, 228, 232, 285, 290, 311, 348, 380, 435, 456, 551, 570, 580, 622, 696, 760, 870, 933, 1102, 1140, 1160, 1244, 1555, 1653, 1740, 1866, 2204, 2280, 2488, 2755, 3110, 3306, 3480, 3732, 4408, 4665, 5510, 5909, 6220, 6612, 7464, 8265, 9019, 9330, 11020, 11818, 12440, 13224, 16530, 17727, 18038, 18660, 22040, 23636, 27057, 29545, 33060, 35454, 36076, 37320, 45095, 47272, 54114, 59090, 66120, 70908, 72152, 88635, 90190, 108228, 118180, 135285, 141816, 171361, 177270, 180380, 216456, 236360, 270570, 342722, 354540, 360760, 514083, 541140, 685444, 709080, 856805, 1028166, 1082280, 1370888, 1713610, 2056332, 2570415, 3427220, 4112664, 5140830, 6854440, 10281660, 20563320]

約数ペア:

[(1, 20563320), (2, 10281660), (3, 6854440), (4, 5140830), (5, 4112664), (6, 3427220), (8, 2570415), (10, 2056332), (12, 1713610), (15, 1370888), (19, 1082280), (20, 1028166), (24, 856805), (29, 709080), (30, 685444), (38, 541140), (40, 514083), (57, 360760), (58, 354540), (60, 342722), (76, 270570), (87, 236360), (95, 216456), (114, 180380), (116, 177270), (120, 171361), (145, 141816), (152, 135285), (174, 118180), (190, 108228), (228, 90190), (232, 88635), (285, 72152), (290, 70908), (311, 66120), (348, 59090), (380, 54114), (435, 47272), (456, 45095), (551, 37320), (570, 36076), (580, 35454), (622, 33060), (696, 29545), (760, 27057), (870, 23636), (933, 22040), (1102, 18660), (1140, 18038), (1160, 17727), (1244, 16530), (1555, 13224), (1653, 12440), (1740, 11818), (1866, 11020), (2204, 9330), (2280, 9019), (2488, 8265), (2755, 7464), (3110, 6612), (3306, 6220), (3480, 5909), (3732, 5510), (4408, 4665)]