20055840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 192

約数和(自身を含む): 74317824

約数和(自身を除く): 54261984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 47, 48, 56, 60, 70, 80, 84, 94, 96, 105, 112, 120, 127, 140, 141, 160, 168, 188, 210, 224, 235, 240, 254, 280, 282, 329, 336, 376, 381, 420, 470, 480, 508, 560, 564, 635, 658, 672, 705, 752, 762, 840, 889, 940, 987, 1016, 1120, 1128, 1270, 1316, 1410, 1504, 1524, 1645, 1680, 1778, 1880, 1905, 1974, 2032, 2256, 2540, 2632, 2667, 2820, 3048, 3290, 3360, 3556, 3760, 3810, 3948, 4064, 4445, 4512, 4935, 5080, 5264, 5334, 5640, 5969, 6096, 6580, 7112, 7520, 7620, 7896, 8890, 9870, 10160, 10528, 10668, 11280, 11938, 12192, 13160, 13335, 14224, 15240, 15792, 17780, 17907, 19740, 20320, 21336, 22560, 23876, 26320, 26670, 28448, 29845, 30480, 31584, 35560, 35814, 39480, 41783, 42672, 47752, 52640, 53340, 59690, 60960, 71120, 71628, 78960, 83566, 85344, 89535, 95504, 106680, 119380, 125349, 142240, 143256, 157920, 167132, 179070, 191008, 208915, 213360, 238760, 250698, 286512, 334264, 358140, 417830, 426720, 477520, 501396, 573024, 626745, 668528, 716280, 835660, 955040, 1002792, 1253490, 1337056, 1432560, 1671320, 2005584, 2506980, 2865120, 3342640, 4011168, 5013960, 6685280, 10027920, 20055840]

約数ペア:

[(1, 20055840), (2, 10027920), (3, 6685280), (4, 5013960), (5, 4011168), (6, 3342640), (7, 2865120), (8, 2506980), (10, 2005584), (12, 1671320), (14, 1432560), (15, 1337056), (16, 1253490), (20, 1002792), (21, 955040), (24, 835660), (28, 716280), (30, 668528), (32, 626745), (35, 573024), (40, 501396), (42, 477520), (47, 426720), (48, 417830), (56, 358140), (60, 334264), (70, 286512), (80, 250698), (84, 238760), (94, 213360), (96, 208915), (105, 191008), (112, 179070), (120, 167132), (127, 157920), (140, 143256), (141, 142240), (160, 125349), (168, 119380), (188, 106680), (210, 95504), (224, 89535), (235, 85344), (240, 83566), (254, 78960), (280, 71628), (282, 71120), (329, 60960), (336, 59690), (376, 53340), (381, 52640), (420, 47752), (470, 42672), (480, 41783), (508, 39480), (560, 35814), (564, 35560), (635, 31584), (658, 30480), (672, 29845), (705, 28448), (752, 26670), (762, 26320), (840, 23876), (889, 22560), (940, 21336), (987, 20320), (1016, 19740), (1120, 17907), (1128, 17780), (1270, 15792), (1316, 15240), (1410, 14224), (1504, 13335), (1524, 13160), (1645, 12192), (1680, 11938), (1778, 11280), (1880, 10668), (1905, 10528), (1974, 10160), (2032, 9870), (2256, 8890), (2540, 7896), (2632, 7620), (2667, 7520), (2820, 7112), (3048, 6580), (3290, 6096), (3360, 5969), (3556, 5640), (3760, 5334), (3810, 5264), (3948, 5080), (4064, 4935), (4445, 4512)]