20602080

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:294

約数の個数: 192

約数和(自身を含む): 76204800

約数和(自身を除く): 55602720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 251, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 502, 513, 540, 570, 608, 684, 720, 753, 760, 855, 864, 912, 1004, 1026, 1080, 1140, 1255, 1368, 1440, 1506, 1520, 1710, 1824, 2008, 2052, 2160, 2259, 2280, 2510, 2565, 2736, 3012, 3040, 3420, 3765, 4016, 4104, 4320, 4518, 4560, 4769, 5020, 5130, 5472, 6024, 6777, 6840, 7530, 8032, 8208, 9036, 9120, 9538, 10040, 10260, 11295, 12048, 13554, 13680, 14307, 15060, 16416, 18072, 19076, 20080, 20520, 22590, 23845, 24096, 27108, 27360, 28614, 30120, 33885, 36144, 38152, 40160, 41040, 42921, 45180, 47690, 54216, 57228, 60240, 67770, 71535, 72288, 76304, 82080, 85842, 90360, 95380, 108432, 114456, 120480, 128763, 135540, 143070, 152608, 171684, 180720, 190760, 214605, 216864, 228912, 257526, 271080, 286140, 343368, 361440, 381520, 429210, 457824, 515052, 542160, 572280, 643815, 686736, 763040, 858420, 1030104, 1084320, 1144560, 1287630, 1373472, 1716840, 2060208, 2289120, 2575260, 3433680, 4120416, 5150520, 6867360, 10301040, 20602080]

約数ペア:

[(1, 20602080), (2, 10301040), (3, 6867360), (4, 5150520), (5, 4120416), (6, 3433680), (8, 2575260), (9, 2289120), (10, 2060208), (12, 1716840), (15, 1373472), (16, 1287630), (18, 1144560), (19, 1084320), (20, 1030104), (24, 858420), (27, 763040), (30, 686736), (32, 643815), (36, 572280), (38, 542160), (40, 515052), (45, 457824), (48, 429210), (54, 381520), (57, 361440), (60, 343368), (72, 286140), (76, 271080), (80, 257526), (90, 228912), (95, 216864), (96, 214605), (108, 190760), (114, 180720), (120, 171684), (135, 152608), (144, 143070), (152, 135540), (160, 128763), (171, 120480), (180, 114456), (190, 108432), (216, 95380), (228, 90360), (240, 85842), (251, 82080), (270, 76304), (285, 72288), (288, 71535), (304, 67770), (342, 60240), (360, 57228), (380, 54216), (432, 47690), (456, 45180), (480, 42921), (502, 41040), (513, 40160), (540, 38152), (570, 36144), (608, 33885), (684, 30120), (720, 28614), (753, 27360), (760, 27108), (855, 24096), (864, 23845), (912, 22590), (1004, 20520), (1026, 20080), (1080, 19076), (1140, 18072), (1255, 16416), (1368, 15060), (1440, 14307), (1506, 13680), (1520, 13554), (1710, 12048), (1824, 11295), (2008, 10260), (2052, 10040), (2160, 9538), (2259, 9120), (2280, 9036), (2510, 8208), (2565, 8032), (2736, 7530), (3012, 6840), (3040, 6777), (3420, 6024), (3765, 5472), (4016, 5130), (4104, 5020), (4320, 4769), (4518, 4560)]