20816493120

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{99013}}^1$

素因数の和:99109

約数の個数: 168

約数和(自身を含む): 72581618616

約数和(自身を除く): 51765125496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 73, 80, 90, 96, 120, 144, 146, 160, 180, 192, 219, 240, 288, 292, 320, 360, 365, 438, 480, 576, 584, 657, 720, 730, 876, 960, 1095, 1168, 1314, 1440, 1460, 1752, 2190, 2336, 2628, 2880, 2920, 3285, 3504, 4380, 4672, 5256, 5840, 6570, 7008, 8760, 10512, 11680, 13140, 14016, 17520, 21024, 23360, 26280, 35040, 42048, 52560, 70080, 99013, 105120, 198026, 210240, 297039, 396052, 495065, 594078, 792104, 891117, 990130, 1188156, 1485195, 1584208, 1782234, 1980260, 2376312, 2970390, 3168416, 3564468, 3960520, 4455585, 4752624, 5940780, 6336832, 7128936, 7227949, 7921040, 8911170, 9505248, 11881560, 14257872, 14455898, 15842080, 17822340, 19010496, 21683847, 23763120, 28515744, 28911796, 31684160, 35644680, 36139745, 43367694, 47526240, 57031488, 57823592, 65051541, 71289360, 72279490, 86735388, 95052480, 108419235, 115647184, 130103082, 142578720, 144558980, 173470776, 216838470, 231294368, 260206164, 285157440, 289117960, 325257705, 346941552, 433676940, 462588736, 520412328, 578235920, 650515410, 693883104, 867353880, 1040824656, 1156471840, 1301030820, 1387766208, 1734707760, 2081649312, 2312943680, 2602061640, 3469415520, 4163298624, 5204123280, 6938831040, 10408246560, 20816493120]

約数ペア:

[(1, 20816493120), (2, 10408246560), (3, 6938831040), (4, 5204123280), (5, 4163298624), (6, 3469415520), (8, 2602061640), (9, 2312943680), (10, 2081649312), (12, 1734707760), (15, 1387766208), (16, 1301030820), (18, 1156471840), (20, 1040824656), (24, 867353880), (30, 693883104), (32, 650515410), (36, 578235920), (40, 520412328), (45, 462588736), (48, 433676940), (60, 346941552), (64, 325257705), (72, 289117960), (73, 285157440), (80, 260206164), (90, 231294368), (96, 216838470), (120, 173470776), (144, 144558980), (146, 142578720), (160, 130103082), (180, 115647184), (192, 108419235), (219, 95052480), (240, 86735388), (288, 72279490), (292, 71289360), (320, 65051541), (360, 57823592), (365, 57031488), (438, 47526240), (480, 43367694), (576, 36139745), (584, 35644680), (657, 31684160), (720, 28911796), (730, 28515744), (876, 23763120), (960, 21683847), (1095, 19010496), (1168, 17822340), (1314, 15842080), (1440, 14455898), (1460, 14257872), (1752, 11881560), (2190, 9505248), (2336, 8911170), (2628, 7921040), (2880, 7227949), (2920, 7128936), (3285, 6336832), (3504, 5940780), (4380, 4752624), (4672, 4455585), (5256, 3960520), (5840, 3564468), (6570, 3168416), (7008, 2970390), (8760, 2376312), (10512, 1980260), (11680, 1782234), (13140, 1584208), (14016, 1485195), (17520, 1188156), (21024, 990130), (23360, 891117), (26280, 792104), (35040, 594078), (42048, 495065), (52560, 396052), (70080, 297039), (99013, 210240), (105120, 198026)]