20508600

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:302

約数の個数: 192

約数和(自身を含む): 76780800

約数和(自身を除く): 56272200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 25, 28, 30, 35, 38, 40, 42, 50, 56, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 120, 133, 140, 150, 152, 168, 175, 190, 200, 210, 228, 257, 266, 280, 285, 300, 350, 380, 399, 420, 456, 475, 514, 525, 532, 570, 600, 665, 700, 760, 771, 798, 840, 950, 1028, 1050, 1064, 1140, 1285, 1330, 1400, 1425, 1542, 1596, 1799, 1900, 1995, 2056, 2100, 2280, 2570, 2660, 2850, 3084, 3192, 3325, 3598, 3800, 3855, 3990, 4200, 4883, 5140, 5320, 5397, 5700, 6168, 6425, 6650, 7196, 7710, 7980, 8995, 9766, 9975, 10280, 10794, 11400, 12850, 13300, 14392, 14649, 15420, 15960, 17990, 19275, 19532, 19950, 21588, 24415, 25700, 26600, 26985, 29298, 30840, 34181, 35980, 38550, 39064, 39900, 43176, 44975, 48830, 51400, 53970, 58596, 68362, 71960, 73245, 77100, 79800, 89950, 97660, 102543, 107940, 117192, 122075, 134925, 136724, 146490, 154200, 170905, 179900, 195320, 205086, 215880, 244150, 269850, 273448, 292980, 341810, 359800, 366225, 410172, 488300, 512715, 539700, 585960, 683620, 732450, 820344, 854525, 976600, 1025430, 1079400, 1367240, 1464900, 1709050, 2050860, 2563575, 2929800, 3418100, 4101720, 5127150, 6836200, 10254300, 20508600]

約数ペア:

[(1, 20508600), (2, 10254300), (3, 6836200), (4, 5127150), (5, 4101720), (6, 3418100), (7, 2929800), (8, 2563575), (10, 2050860), (12, 1709050), (14, 1464900), (15, 1367240), (19, 1079400), (20, 1025430), (21, 976600), (24, 854525), (25, 820344), (28, 732450), (30, 683620), (35, 585960), (38, 539700), (40, 512715), (42, 488300), (50, 410172), (56, 366225), (57, 359800), (60, 341810), (70, 292980), (75, 273448), (76, 269850), (84, 244150), (95, 215880), (100, 205086), (105, 195320), (114, 179900), (120, 170905), (133, 154200), (140, 146490), (150, 136724), (152, 134925), (168, 122075), (175, 117192), (190, 107940), (200, 102543), (210, 97660), (228, 89950), (257, 79800), (266, 77100), (280, 73245), (285, 71960), (300, 68362), (350, 58596), (380, 53970), (399, 51400), (420, 48830), (456, 44975), (475, 43176), (514, 39900), (525, 39064), (532, 38550), (570, 35980), (600, 34181), (665, 30840), (700, 29298), (760, 26985), (771, 26600), (798, 25700), (840, 24415), (950, 21588), (1028, 19950), (1050, 19532), (1064, 19275), (1140, 17990), (1285, 15960), (1330, 15420), (1400, 14649), (1425, 14392), (1542, 13300), (1596, 12850), (1799, 11400), (1900, 10794), (1995, 10280), (2056, 9975), (2100, 9766), (2280, 8995), (2570, 7980), (2660, 7710), (2850, 7196), (3084, 6650), (3192, 6425), (3325, 6168), (3598, 5700), (3800, 5397), (3855, 5320), (3990, 5140), (4200, 4883)]