20417761280

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1951}}^1$

素因数の和:2060

約数の個数: 208

約数和(自身を含む): 56792331264

約数和(自身を除く): 36374569984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 256, 280, 292, 320, 365, 448, 511, 512, 560, 584, 640, 730, 896, 1022, 1024, 1120, 1168, 1280, 1460, 1792, 1951, 2044, 2048, 2240, 2336, 2555, 2560, 2920, 3584, 3902, 4088, 4096, 4480, 4672, 5110, 5120, 5840, 7168, 7804, 8176, 8960, 9344, 9755, 10220, 10240, 11680, 13657, 14336, 15608, 16352, 17920, 18688, 19510, 20440, 20480, 23360, 27314, 28672, 31216, 32704, 35840, 37376, 39020, 40880, 46720, 54628, 62432, 65408, 68285, 71680, 74752, 78040, 81760, 93440, 109256, 124864, 130816, 136570, 142423, 143360, 149504, 156080, 163520, 186880, 218512, 249728, 261632, 273140, 284846, 299008, 312160, 327040, 373760, 437024, 499456, 523264, 546280, 569692, 624320, 654080, 712115, 747520, 874048, 996961, 998912, 1046528, 1092560, 1139384, 1248640, 1308160, 1424230, 1495040, 1748096, 1993922, 1997824, 2093056, 2185120, 2278768, 2497280, 2616320, 2848460, 3496192, 3987844, 3995648, 4370240, 4557536, 4984805, 4994560, 5232640, 5696920, 6992384, 7975688, 7991296, 8740480, 9115072, 9969610, 9989120, 10465280, 11393840, 13984768, 15951376, 17480960, 18230144, 19939220, 19978240, 22787680, 27969536, 31902752, 34961920, 36460288, 39878440, 39956480, 45575360, 55939072, 63805504, 69923840, 72920576, 79756880, 91150720, 127611008, 139847680, 145841152, 159513760, 182301440, 255222016, 279695360, 291682304, 319027520, 364602880, 510444032, 583364608, 638055040, 729205760, 1020888064, 1276110080, 1458411520, 2041776128, 2552220160, 2916823040, 4083552256, 5104440320, 10208880640, 20417761280]

約数ペア:

[(1, 20417761280), (2, 10208880640), (4, 5104440320), (5, 4083552256), (7, 2916823040), (8, 2552220160), (10, 2041776128), (14, 1458411520), (16, 1276110080), (20, 1020888064), (28, 729205760), (32, 638055040), (35, 583364608), (40, 510444032), (56, 364602880), (64, 319027520), (70, 291682304), (73, 279695360), (80, 255222016), (112, 182301440), (128, 159513760), (140, 145841152), (146, 139847680), (160, 127611008), (224, 91150720), (256, 79756880), (280, 72920576), (292, 69923840), (320, 63805504), (365, 55939072), (448, 45575360), (511, 39956480), (512, 39878440), (560, 36460288), (584, 34961920), (640, 31902752), (730, 27969536), (896, 22787680), (1022, 19978240), (1024, 19939220), (1120, 18230144), (1168, 17480960), (1280, 15951376), (1460, 13984768), (1792, 11393840), (1951, 10465280), (2044, 9989120), (2048, 9969610), (2240, 9115072), (2336, 8740480), (2555, 7991296), (2560, 7975688), (2920, 6992384), (3584, 5696920), (3902, 5232640), (4088, 4994560), (4096, 4984805), (4480, 4557536), (4672, 4370240), (5110, 3995648), (5120, 3987844), (5840, 3496192), (7168, 2848460), (7804, 2616320), (8176, 2497280), (8960, 2278768), (9344, 2185120), (9755, 2093056), (10220, 1997824), (10240, 1993922), (11680, 1748096), (13657, 1495040), (14336, 1424230), (15608, 1308160), (16352, 1248640), (17920, 1139384), (18688, 1092560), (19510, 1046528), (20440, 998912), (20480, 996961), (23360, 874048), (27314, 747520), (28672, 712115), (31216, 654080), (32704, 624320), (35840, 569692), (37376, 546280), (39020, 523264), (40880, 499456), (46720, 437024), (54628, 373760), (62432, 327040), (65408, 312160), (68285, 299008), (71680, 284846), (74752, 273140), (78040, 261632), (81760, 249728), (93440, 218512), (109256, 186880), (124864, 163520), (130816, 156080), (136570, 149504), (142423, 143360)]