20728050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1080

約数の個数: 96

約数和(自身を含む): 61900800

約数和(自身を除く): 41172750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 35, 38, 42, 50, 57, 70, 75, 95, 105, 114, 133, 150, 175, 190, 210, 266, 285, 350, 399, 475, 525, 570, 665, 798, 950, 1039, 1050, 1330, 1425, 1995, 2078, 2850, 3117, 3325, 3990, 5195, 6234, 6650, 7273, 9975, 10390, 14546, 15585, 19741, 19950, 21819, 25975, 31170, 36365, 39482, 43638, 51950, 59223, 72730, 77925, 98705, 109095, 118446, 138187, 155850, 181825, 197410, 218190, 276374, 296115, 363650, 414561, 493525, 545475, 592230, 690935, 829122, 987050, 1090950, 1381870, 1480575, 2072805, 2961150, 3454675, 4145610, 6909350, 10364025, 20728050]

約数ペア:

[(1, 20728050), (2, 10364025), (3, 6909350), (5, 4145610), (6, 3454675), (7, 2961150), (10, 2072805), (14, 1480575), (15, 1381870), (19, 1090950), (21, 987050), (25, 829122), (30, 690935), (35, 592230), (38, 545475), (42, 493525), (50, 414561), (57, 363650), (70, 296115), (75, 276374), (95, 218190), (105, 197410), (114, 181825), (133, 155850), (150, 138187), (175, 118446), (190, 109095), (210, 98705), (266, 77925), (285, 72730), (350, 59223), (399, 51950), (475, 43638), (525, 39482), (570, 36365), (665, 31170), (798, 25975), (950, 21819), (1039, 19950), (1050, 19741), (1330, 15585), (1425, 14546), (1995, 10390), (2078, 9975), (2850, 7273), (3117, 6650), (3325, 6234), (3990, 5195)]