20512385136

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{21283}}^1$

素因数の和:21420

約数の個数: 160

約数和(自身を含む): 62074360320

約数和(自身を除く): 41561975184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 92, 97, 108, 138, 144, 184, 194, 207, 216, 276, 291, 368, 388, 414, 432, 552, 582, 621, 776, 828, 873, 1104, 1164, 1242, 1552, 1656, 1746, 2231, 2328, 2484, 2619, 3312, 3492, 4462, 4656, 4968, 5238, 6693, 6984, 8924, 9936, 10476, 13386, 13968, 17848, 20079, 20952, 21283, 26772, 35696, 40158, 41904, 42566, 53544, 60237, 63849, 80316, 85132, 107088, 120474, 127698, 160632, 170264, 191547, 240948, 255396, 321264, 340528, 383094, 481896, 489509, 510792, 574641, 766188, 963792, 979018, 1021584, 1149282, 1468527, 1532376, 1958036, 2064451, 2298564, 2937054, 3064752, 3916072, 4128902, 4405581, 4597128, 5874108, 6193353, 7832144, 8257804, 8811162, 9194256, 11748216, 12386706, 13216743, 16515608, 17622324, 18580059, 23496432, 24773412, 26433486, 33031216, 35244648, 37160118, 47482373, 49546824, 52866972, 55740177, 70489296, 74320236, 94964746, 99093648, 105733944, 111480354, 142447119, 148640472, 189929492, 211467888, 222960708, 284894238, 297280944, 379858984, 427341357, 445921416, 569788476, 759717968, 854682714, 891842832, 1139576952, 1282024071, 1709365428, 2279153904, 2564048142, 3418730856, 5128096284, 6837461712, 10256192568, 20512385136]

約数ペア:

[(1, 20512385136), (2, 10256192568), (3, 6837461712), (4, 5128096284), (6, 3418730856), (8, 2564048142), (9, 2279153904), (12, 1709365428), (16, 1282024071), (18, 1139576952), (23, 891842832), (24, 854682714), (27, 759717968), (36, 569788476), (46, 445921416), (48, 427341357), (54, 379858984), (69, 297280944), (72, 284894238), (92, 222960708), (97, 211467888), (108, 189929492), (138, 148640472), (144, 142447119), (184, 111480354), (194, 105733944), (207, 99093648), (216, 94964746), (276, 74320236), (291, 70489296), (368, 55740177), (388, 52866972), (414, 49546824), (432, 47482373), (552, 37160118), (582, 35244648), (621, 33031216), (776, 26433486), (828, 24773412), (873, 23496432), (1104, 18580059), (1164, 17622324), (1242, 16515608), (1552, 13216743), (1656, 12386706), (1746, 11748216), (2231, 9194256), (2328, 8811162), (2484, 8257804), (2619, 7832144), (3312, 6193353), (3492, 5874108), (4462, 4597128), (4656, 4405581), (4968, 4128902), (5238, 3916072), (6693, 3064752), (6984, 2937054), (8924, 2298564), (9936, 2064451), (10476, 1958036), (13386, 1532376), (13968, 1468527), (17848, 1149282), (20079, 1021584), (20952, 979018), (21283, 963792), (26772, 766188), (35696, 574641), (40158, 510792), (41904, 489509), (42566, 481896), (53544, 383094), (60237, 340528), (63849, 321264), (80316, 255396), (85132, 240948), (107088, 191547), (120474, 170264), (127698, 160632)]