20739600

素因数分解:

$2^4\times 3^2\times 5^2\times 7^1\times {\mathrm{823}}^1$

素因数の和:854

約数の個数: 180

約数和(自身を含む): 82353856

約数和(自身を除く): 61614256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 126, 140, 144, 150, 168, 175, 180, 200, 210, 225, 240, 252, 280, 300, 315, 336, 350, 360, 400, 420, 450, 504, 525, 560, 600, 630, 700, 720, 823, 840, 900, 1008, 1050, 1200, 1260, 1400, 1575, 1646, 1680, 1800, 2100, 2469, 2520, 2800, 3150, 3292, 3600, 4115, 4200, 4938, 5040, 5761, 6300, 6584, 7407, 8230, 8400, 9876, 11522, 12345, 12600, 13168, 14814, 16460, 17283, 19752, 20575, 23044, 24690, 25200, 28805, 29628, 32920, 34566, 37035, 39504, 41150, 46088, 49380, 51849, 57610, 59256, 61725, 65840, 69132, 74070, 82300, 86415, 92176, 98760, 103698, 115220, 118512, 123450, 138264, 144025, 148140, 164600, 172830, 185175, 197520, 207396, 230440, 246900, 259245, 276528, 288050, 296280, 329200, 345660, 370350, 414792, 432075, 460880, 493800, 518490, 576100, 592560, 691320, 740700, 829584, 864150, 987600, 1036980, 1152200, 1296225, 1382640, 1481400, 1728300, 2073960, 2304400, 2592450, 2962800, 3456600, 4147920, 5184900, 6913200, 10369800, 20739600]

約数ペア:

[(1, 20739600), (2, 10369800), (3, 6913200), (4, 5184900), (5, 4147920), (6, 3456600), (7, 2962800), (8, 2592450), (9, 2304400), (10, 2073960), (12, 1728300), (14, 1481400), (15, 1382640), (16, 1296225), (18, 1152200), (20, 1036980), (21, 987600), (24, 864150), (25, 829584), (28, 740700), (30, 691320), (35, 592560), (36, 576100), (40, 518490), (42, 493800), (45, 460880), (48, 432075), (50, 414792), (56, 370350), (60, 345660), (63, 329200), (70, 296280), (72, 288050), (75, 276528), (80, 259245), (84, 246900), (90, 230440), (100, 207396), (105, 197520), (112, 185175), (120, 172830), (126, 164600), (140, 148140), (144, 144025), (150, 138264), (168, 123450), (175, 118512), (180, 115220), (200, 103698), (210, 98760), (225, 92176), (240, 86415), (252, 82300), (280, 74070), (300, 69132), (315, 65840), (336, 61725), (350, 59256), (360, 57610), (400, 51849), (420, 49380), (450, 46088), (504, 41150), (525, 39504), (560, 37035), (600, 34566), (630, 32920), (700, 29628), (720, 28805), (823, 25200), (840, 24690), (900, 23044), (1008, 20575), (1050, 19752), (1200, 17283), (1260, 16460), (1400, 14814), (1575, 13168), (1646, 12600), (1680, 12345), (1800, 11522), (2100, 9876), (2469, 8400), (2520, 8230), (2800, 7407), (3150, 6584), (3292, 6300), (3600, 5761), (4115, 5040), (4200, 4938)]