20874464798

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:783

約数の個数: 144

約数和(自身を含む): 40216901760

約数和(自身を除く): 19342436962

約数列:

[1, 2, 11, 17, 19, 22, 23, 34, 38, 46, 121, 187, 209, 242, 253, 289, 323, 374, 391, 418, 437, 506, 578, 646, 683, 782, 874, 1366, 2057, 2299, 2783, 3179, 3553, 4114, 4301, 4598, 4807, 5491, 5566, 6358, 6647, 7106, 7429, 7513, 8602, 9614, 10982, 11611, 12977, 13294, 14858, 15026, 15709, 23222, 25954, 31418, 34969, 39083, 47311, 52877, 60401, 69938, 73117, 78166, 81719, 82643, 94622, 105754, 120802, 126293, 127721, 142747, 146234, 163438, 165286, 172799, 197387, 220609, 252586, 255442, 267053, 285494, 298471, 345598, 394774, 441218, 534106, 596942, 664411, 804287, 898909, 1328822, 1389223, 1404931, 1570217, 1608574, 1797818, 1900789, 2171257, 2426699, 2778446, 2809862, 2937583, 3140434, 3283181, 3750353, 3801578, 4342514, 4539901, 4853398, 5074007, 5875166, 6566362, 7500706, 9079802, 10148014, 15281453, 23883827, 26693689, 30562906, 32313413, 36114991, 41253883, 47767654, 49938911, 53387378, 55814077, 64626826, 72229982, 82507766, 86258119, 99877822, 111628154, 172516238, 453792713, 549328021, 613954847, 907585426, 948839309, 1098656042, 1227909694, 1897678618, 10437232399, 20874464798]

約数ペア:

[(1, 20874464798), (2, 10437232399), (11, 1897678618), (17, 1227909694), (19, 1098656042), (22, 948839309), (23, 907585426), (34, 613954847), (38, 549328021), (46, 453792713), (121, 172516238), (187, 111628154), (209, 99877822), (242, 86258119), (253, 82507766), (289, 72229982), (323, 64626826), (374, 55814077), (391, 53387378), (418, 49938911), (437, 47767654), (506, 41253883), (578, 36114991), (646, 32313413), (683, 30562906), (782, 26693689), (874, 23883827), (1366, 15281453), (2057, 10148014), (2299, 9079802), (2783, 7500706), (3179, 6566362), (3553, 5875166), (4114, 5074007), (4301, 4853398), (4598, 4539901), (4807, 4342514), (5491, 3801578), (5566, 3750353), (6358, 3283181), (6647, 3140434), (7106, 2937583), (7429, 2809862), (7513, 2778446), (8602, 2426699), (9614, 2171257), (10982, 1900789), (11611, 1797818), (12977, 1608574), (13294, 1570217), (14858, 1404931), (15026, 1389223), (15709, 1328822), (23222, 898909), (25954, 804287), (31418, 664411), (34969, 596942), (39083, 534106), (47311, 441218), (52877, 394774), (60401, 345598), (69938, 298471), (73117, 285494), (78166, 267053), (81719, 255442), (82643, 252586), (94622, 220609), (105754, 197387), (120802, 172799), (126293, 165286), (127721, 163438), (142747, 146234)]