20012655272

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:555

約数の個数: 128

約数和(自身を含む): 41486515200

約数和(自身を除く): 21473859928

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 103, 113, 136, 188, 206, 226, 269, 376, 412, 452, 538, 799, 824, 904, 1076, 1598, 1751, 1921, 2152, 3196, 3502, 3842, 4573, 4841, 5311, 6392, 7004, 7684, 9146, 9682, 10622, 11639, 12643, 14008, 15368, 18292, 19364, 21244, 23278, 25286, 27707, 30397, 36584, 38728, 42488, 46556, 50572, 55414, 60794, 82297, 90287, 93112, 101144, 110828, 121588, 164594, 180574, 197863, 214931, 221656, 243176, 329188, 361148, 395726, 429862, 471019, 516749, 547033, 658376, 722296, 791452, 859724, 942038, 1033498, 1094066, 1302229, 1428659, 1582904, 1719448, 1884076, 2066996, 2188132, 2604458, 2857318, 3130891, 3768152, 4133992, 4376264, 5208916, 5714636, 6261782, 9299561, 10417832, 11429272, 12523564, 18599122, 22137893, 24287203, 25047128, 37198244, 44275786, 48574406, 53225147, 74396488, 88551572, 97148812, 106450294, 147151877, 177103144, 194297624, 212900588, 294303754, 425801176, 588607508, 1177215016, 2501581909, 5003163818, 10006327636, 20012655272]

約数ペア:

[(1, 20012655272), (2, 10006327636), (4, 5003163818), (8, 2501581909), (17, 1177215016), (34, 588607508), (47, 425801176), (68, 294303754), (94, 212900588), (103, 194297624), (113, 177103144), (136, 147151877), (188, 106450294), (206, 97148812), (226, 88551572), (269, 74396488), (376, 53225147), (412, 48574406), (452, 44275786), (538, 37198244), (799, 25047128), (824, 24287203), (904, 22137893), (1076, 18599122), (1598, 12523564), (1751, 11429272), (1921, 10417832), (2152, 9299561), (3196, 6261782), (3502, 5714636), (3842, 5208916), (4573, 4376264), (4841, 4133992), (5311, 3768152), (6392, 3130891), (7004, 2857318), (7684, 2604458), (9146, 2188132), (9682, 2066996), (10622, 1884076), (11639, 1719448), (12643, 1582904), (14008, 1428659), (15368, 1302229), (18292, 1094066), (19364, 1033498), (21244, 942038), (23278, 859724), (25286, 791452), (27707, 722296), (30397, 658376), (36584, 547033), (38728, 516749), (42488, 471019), (46556, 429862), (50572, 395726), (55414, 361148), (60794, 329188), (82297, 243176), (90287, 221656), (93112, 214931), (101144, 197863), (110828, 180574), (121588, 164594)]