20797514285760

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{140611}}^1$

素因数の和:140726

約数の個数: 896

約数和(自身を含む): 83316997094400

約数和(自身を除く): 62519482808640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 27, 30, 32, 34, 36, 38, 40, 45, 48, 51, 53, 54, 57, 60, 64, 68, 72, 76, 80, 85, 90, 95, 96, 102, 106, 108, 114, 120, 135, 136, 144, 152, 153, 159, 160, 170, 171, 180, 190, 192, 204, 212, 216, 228, 240, 255, 265, 270, 272, 285, 288, 304, 306, 318, 320, 323, 340, 342, 360, 380, 408, 424, 432, 456, 459, 477, 480, 510, 513, 530, 540, 544, 570, 576, 608, 612, 636, 646, 680, 684, 720, 760, 765, 795, 816, 848, 855, 864, 901, 912, 918, 954, 960, 969, 1007, 1020, 1026, 1060, 1080, 1088, 1140, 1216, 1224, 1272, 1292, 1360, 1368, 1431, 1440, 1520, 1530, 1590, 1615, 1632, 1696, 1710, 1728, 1802, 1824, 1836, 1908, 1938, 2014, 2040, 2052, 2120, 2160, 2280, 2295, 2385, 2448, 2544, 2565, 2584, 2703, 2720, 2736, 2862, 2880, 2907, 3021, 3040, 3060, 3180, 3230, 3264, 3392, 3420, 3604, 3648, 3672, 3816, 3876, 4028, 4080, 4104, 4240, 4320, 4505, 4560, 4590, 4770, 4845, 4896, 5035, 5088, 5130, 5168, 5406, 5440, 5472, 5724, 5814, 6042, 6080, 6120, 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約数ペア:

[(1, 20797514285760), (2, 10398757142880), (3, 6932504761920), (4, 5199378571440), (5, 4159502857152), (6, 3466252380960), (8, 2599689285720), (9, 2310834920640), (10, 2079751428576), (12, 1733126190480), (15, 1386500952384), (16, 1299844642860), (17, 1223383193280), (18, 1155417460320), (19, 1094606015040), (20, 1039875714288), (24, 866563095240), (27, 770278306880), (30, 693250476192), (32, 649922321430), (34, 611691596640), (36, 577708730160), (38, 547303007520), (40, 519937857144), (45, 462166984128), (48, 433281547620), (51, 407794397760), (53, 392405929920), (54, 385139153440), (57, 364868671680), (60, 346625238096), (64, 324961160715), (68, 305845798320), (72, 288854365080), (76, 273651503760), (80, 259968928572), (85, 244676638656), (90, 231083492064), (95, 218921203008), (96, 216640773810), (102, 203897198880), (106, 196202964960), (108, 192569576720), (114, 182434335840), (120, 173312619048), (135, 154055661376), (136, 152922899160), (144, 144427182540), (152, 136825751880), 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5624440), (3796497, 5478080), (3892320, 5343218), (4108560, 5061996), (4218330, 4930272), (4350240, 4780774), (4499552, 4622130)]