20346720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:157

約数の個数: 192

約数和(自身を含む): 71124480

約数和(自身を除く): 50777760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 32, 38, 40, 46, 48, 57, 60, 69, 76, 80, 92, 95, 96, 97, 114, 115, 120, 138, 152, 160, 184, 190, 194, 228, 230, 240, 276, 285, 291, 304, 345, 368, 380, 388, 437, 456, 460, 480, 485, 552, 570, 582, 608, 690, 736, 760, 776, 874, 912, 920, 970, 1104, 1140, 1164, 1311, 1380, 1455, 1520, 1552, 1748, 1824, 1840, 1843, 1940, 2185, 2208, 2231, 2280, 2328, 2622, 2760, 2910, 3040, 3104, 3496, 3680, 3686, 3880, 4370, 4462, 4560, 4656, 5244, 5520, 5529, 5820, 6555, 6693, 6992, 7372, 7760, 8740, 8924, 9120, 9215, 9312, 10488, 11040, 11058, 11155, 11640, 13110, 13386, 13984, 14744, 15520, 17480, 17848, 18430, 20976, 22116, 22310, 23280, 26220, 26772, 27645, 29488, 33465, 34960, 35696, 36860, 41952, 42389, 44232, 44620, 46560, 52440, 53544, 55290, 58976, 66930, 69920, 71392, 73720, 84778, 88464, 89240, 104880, 107088, 110580, 127167, 133860, 147440, 169556, 176928, 178480, 209760, 211945, 214176, 221160, 254334, 267720, 294880, 339112, 356960, 423890, 442320, 508668, 535440, 635835, 678224, 847780, 884640, 1017336, 1070880, 1271670, 1356448, 1695560, 2034672, 2543340, 3391120, 4069344, 5086680, 6782240, 10173360, 20346720]

約数ペア:

[(1, 20346720), (2, 10173360), (3, 6782240), (4, 5086680), (5, 4069344), (6, 3391120), (8, 2543340), (10, 2034672), (12, 1695560), (15, 1356448), (16, 1271670), (19, 1070880), (20, 1017336), (23, 884640), (24, 847780), (30, 678224), (32, 635835), (38, 535440), (40, 508668), (46, 442320), (48, 423890), (57, 356960), (60, 339112), (69, 294880), (76, 267720), (80, 254334), (92, 221160), (95, 214176), (96, 211945), (97, 209760), (114, 178480), (115, 176928), (120, 169556), (138, 147440), (152, 133860), (160, 127167), (184, 110580), (190, 107088), (194, 104880), (228, 89240), (230, 88464), (240, 84778), (276, 73720), (285, 71392), (291, 69920), (304, 66930), (345, 58976), (368, 55290), (380, 53544), (388, 52440), (437, 46560), (456, 44620), (460, 44232), (480, 42389), (485, 41952), (552, 36860), (570, 35696), (582, 34960), (608, 33465), (690, 29488), (736, 27645), (760, 26772), (776, 26220), (874, 23280), (912, 22310), (920, 22116), (970, 20976), (1104, 18430), (1140, 17848), (1164, 17480), (1311, 15520), (1380, 14744), (1455, 13984), (1520, 13386), (1552, 13110), (1748, 11640), (1824, 11155), (1840, 11058), (1843, 11040), (1940, 10488), (2185, 9312), (2208, 9215), (2231, 9120), (2280, 8924), (2328, 8740), (2622, 7760), (2760, 7372), (2910, 6992), (3040, 6693), (3104, 6555), (3496, 5820), (3680, 5529), (3686, 5520), (3880, 5244), (4370, 4656), (4462, 4560)]