20089680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 68995584

約数和(自身を除く): 48905904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 47, 48, 52, 60, 65, 78, 80, 94, 104, 120, 130, 137, 141, 156, 188, 195, 208, 235, 240, 260, 274, 282, 312, 376, 390, 411, 470, 520, 548, 564, 611, 624, 685, 705, 752, 780, 822, 940, 1040, 1096, 1128, 1222, 1370, 1410, 1560, 1644, 1781, 1833, 1880, 2055, 2192, 2256, 2444, 2740, 2820, 3055, 3120, 3288, 3562, 3666, 3760, 4110, 4888, 5343, 5480, 5640, 6110, 6439, 6576, 7124, 7332, 8220, 8905, 9165, 9776, 10686, 10960, 11280, 12220, 12878, 14248, 14664, 16440, 17810, 18330, 19317, 21372, 24440, 25756, 26715, 28496, 29328, 32195, 32880, 35620, 36660, 38634, 42744, 48880, 51512, 53430, 64390, 71240, 73320, 77268, 83707, 85488, 96585, 103024, 106860, 128780, 142480, 146640, 154536, 167414, 193170, 213720, 251121, 257560, 309072, 334828, 386340, 418535, 427440, 502242, 515120, 669656, 772680, 837070, 1004484, 1255605, 1339312, 1545360, 1674140, 2008968, 2511210, 3348280, 4017936, 5022420, 6696560, 10044840, 20089680]

約数ペア:

[(1, 20089680), (2, 10044840), (3, 6696560), (4, 5022420), (5, 4017936), (6, 3348280), (8, 2511210), (10, 2008968), (12, 1674140), (13, 1545360), (15, 1339312), (16, 1255605), (20, 1004484), (24, 837070), (26, 772680), (30, 669656), (39, 515120), (40, 502242), (47, 427440), (48, 418535), (52, 386340), (60, 334828), (65, 309072), (78, 257560), (80, 251121), (94, 213720), (104, 193170), (120, 167414), (130, 154536), (137, 146640), (141, 142480), (156, 128780), (188, 106860), (195, 103024), (208, 96585), (235, 85488), (240, 83707), (260, 77268), (274, 73320), (282, 71240), (312, 64390), (376, 53430), (390, 51512), (411, 48880), (470, 42744), (520, 38634), (548, 36660), (564, 35620), (611, 32880), (624, 32195), (685, 29328), (705, 28496), (752, 26715), (780, 25756), (822, 24440), (940, 21372), (1040, 19317), (1096, 18330), (1128, 17810), (1222, 16440), (1370, 14664), (1410, 14248), (1560, 12878), (1644, 12220), (1781, 11280), (1833, 10960), (1880, 10686), (2055, 9776), (2192, 9165), (2256, 8905), (2444, 8220), (2740, 7332), (2820, 7124), (3055, 6576), (3120, 6439), (3288, 6110), (3562, 5640), (3666, 5480), (3760, 5343), (4110, 4888)]