20535480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:334

約数の個数: 192

約数和(自身を含む): 79185600

約数和(自身を除く): 58650120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 56, 58, 60, 63, 70, 72, 84, 87, 90, 105, 116, 120, 126, 140, 145, 168, 174, 180, 203, 210, 232, 252, 261, 280, 281, 290, 315, 348, 360, 406, 420, 435, 504, 522, 562, 580, 609, 630, 696, 812, 840, 843, 870, 1015, 1044, 1124, 1160, 1218, 1260, 1305, 1405, 1624, 1686, 1740, 1827, 1967, 2030, 2088, 2248, 2436, 2520, 2529, 2610, 2810, 3045, 3372, 3480, 3654, 3934, 4060, 4215, 4872, 5058, 5220, 5620, 5901, 6090, 6744, 7308, 7868, 8120, 8149, 8430, 9135, 9835, 10116, 10440, 11240, 11802, 12180, 12645, 14616, 15736, 16298, 16860, 17703, 18270, 19670, 20232, 23604, 24360, 24447, 25290, 29505, 32596, 33720, 35406, 36540, 39340, 40745, 47208, 48894, 50580, 57043, 59010, 65192, 70812, 73080, 73341, 78680, 81490, 88515, 97788, 101160, 114086, 118020, 122235, 141624, 146682, 162980, 171129, 177030, 195576, 228172, 236040, 244470, 285215, 293364, 325960, 342258, 354060, 366705, 456344, 488940, 513387, 570430, 586728, 684516, 708120, 733410, 855645, 977880, 1026774, 1140860, 1369032, 1466820, 1711290, 2053548, 2281720, 2566935, 2933640, 3422580, 4107096, 5133870, 6845160, 10267740, 20535480]

約数ペア:

[(1, 20535480), (2, 10267740), (3, 6845160), (4, 5133870), (5, 4107096), (6, 3422580), (7, 2933640), (8, 2566935), (9, 2281720), (10, 2053548), (12, 1711290), (14, 1466820), (15, 1369032), (18, 1140860), (20, 1026774), (21, 977880), (24, 855645), (28, 733410), (29, 708120), (30, 684516), (35, 586728), (36, 570430), (40, 513387), (42, 488940), (45, 456344), (56, 366705), (58, 354060), (60, 342258), (63, 325960), (70, 293364), (72, 285215), (84, 244470), (87, 236040), (90, 228172), (105, 195576), (116, 177030), (120, 171129), (126, 162980), (140, 146682), (145, 141624), (168, 122235), (174, 118020), (180, 114086), (203, 101160), (210, 97788), (232, 88515), (252, 81490), (261, 78680), (280, 73341), (281, 73080), (290, 70812), (315, 65192), (348, 59010), (360, 57043), (406, 50580), (420, 48894), (435, 47208), (504, 40745), (522, 39340), (562, 36540), (580, 35406), (609, 33720), (630, 32596), (696, 29505), (812, 25290), (840, 24447), (843, 24360), (870, 23604), (1015, 20232), (1044, 19670), (1124, 18270), (1160, 17703), (1218, 16860), (1260, 16298), (1305, 15736), (1405, 14616), (1624, 12645), (1686, 12180), (1740, 11802), (1827, 11240), (1967, 10440), (2030, 10116), (2088, 9835), (2248, 9135), (2436, 8430), (2520, 8149), (2529, 8120), (2610, 7868), (2810, 7308), (3045, 6744), (3372, 6090), (3480, 5901), (3654, 5620), (3934, 5220), (4060, 5058), (4215, 4872)]