20087760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1087}}^1$

素因数の和:1121

約数の個数: 160

約数和(自身を含む): 77709312

約数和(自身を除く): 57621552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1087, 1155, 1232, 1320, 1540, 1680, 1848, 2174, 2310, 2640, 3080, 3261, 3696, 4348, 4620, 5435, 6160, 6522, 7609, 8696, 9240, 10870, 11957, 13044, 15218, 16305, 17392, 18480, 21740, 22827, 23914, 26088, 30436, 32610, 35871, 38045, 43480, 45654, 47828, 52176, 59785, 60872, 65220, 71742, 76090, 83699, 86960, 91308, 95656, 114135, 119570, 121744, 130440, 143484, 152180, 167398, 179355, 182616, 191312, 228270, 239140, 251097, 260880, 286968, 304360, 334796, 358710, 365232, 418495, 456540, 478280, 502194, 573936, 608720, 669592, 717420, 836990, 913080, 956560, 1004388, 1255485, 1339184, 1434840, 1673980, 1826160, 2008776, 2510970, 2869680, 3347960, 4017552, 5021940, 6695920, 10043880, 20087760]

約数ペア:

[(1, 20087760), (2, 10043880), (3, 6695920), (4, 5021940), (5, 4017552), (6, 3347960), (7, 2869680), (8, 2510970), (10, 2008776), (11, 1826160), (12, 1673980), (14, 1434840), (15, 1339184), (16, 1255485), (20, 1004388), (21, 956560), (22, 913080), (24, 836990), (28, 717420), (30, 669592), (33, 608720), (35, 573936), (40, 502194), (42, 478280), (44, 456540), (48, 418495), (55, 365232), (56, 358710), (60, 334796), (66, 304360), (70, 286968), (77, 260880), (80, 251097), (84, 239140), (88, 228270), (105, 191312), (110, 182616), (112, 179355), (120, 167398), (132, 152180), (140, 143484), (154, 130440), (165, 121744), (168, 119570), (176, 114135), (210, 95656), (220, 91308), (231, 86960), (240, 83699), (264, 76090), (280, 71742), (308, 65220), (330, 60872), (336, 59785), (385, 52176), (420, 47828), (440, 45654), (462, 43480), (528, 38045), (560, 35871), (616, 32610), (660, 30436), (770, 26088), (840, 23914), (880, 22827), (924, 21740), (1087, 18480), (1155, 17392), (1232, 16305), (1320, 15218), (1540, 13044), (1680, 11957), (1848, 10870), (2174, 9240), (2310, 8696), (2640, 7609), (3080, 6522), (3261, 6160), (3696, 5435), (4348, 4620)]