20753040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1123}}^1$

素因数の和:1157

約数の個数: 160

約数和(自身を含む): 80280576

約数和(自身を除く): 59527536

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, 1123, 1155, 1232, 1320, 1540, 1680, 1848, 2246, 2310, 2640, 3080, 3369, 3696, 4492, 4620, 5615, 6160, 6738, 7861, 8984, 9240, 11230, 12353, 13476, 15722, 16845, 17968, 18480, 22460, 23583, 24706, 26952, 31444, 33690, 37059, 39305, 44920, 47166, 49412, 53904, 61765, 62888, 67380, 74118, 78610, 86471, 89840, 94332, 98824, 117915, 123530, 125776, 134760, 148236, 157220, 172942, 185295, 188664, 197648, 235830, 247060, 259413, 269520, 296472, 314440, 345884, 370590, 377328, 432355, 471660, 494120, 518826, 592944, 628880, 691768, 741180, 864710, 943320, 988240, 1037652, 1297065, 1383536, 1482360, 1729420, 1886640, 2075304, 2594130, 2964720, 3458840, 4150608, 5188260, 6917680, 10376520, 20753040]

約数ペア:

[(1, 20753040), (2, 10376520), (3, 6917680), (4, 5188260), (5, 4150608), (6, 3458840), (7, 2964720), (8, 2594130), (10, 2075304), (11, 1886640), (12, 1729420), (14, 1482360), (15, 1383536), (16, 1297065), (20, 1037652), (21, 988240), (22, 943320), (24, 864710), (28, 741180), (30, 691768), (33, 628880), (35, 592944), (40, 518826), (42, 494120), (44, 471660), (48, 432355), (55, 377328), (56, 370590), (60, 345884), (66, 314440), (70, 296472), (77, 269520), (80, 259413), (84, 247060), (88, 235830), (105, 197648), (110, 188664), (112, 185295), (120, 172942), (132, 157220), (140, 148236), (154, 134760), (165, 125776), (168, 123530), (176, 117915), (210, 98824), (220, 94332), (231, 89840), (240, 86471), (264, 78610), (280, 74118), (308, 67380), (330, 62888), (336, 61765), (385, 53904), (420, 49412), (440, 47166), (462, 44920), (528, 39305), (560, 37059), (616, 33690), (660, 31444), (770, 26952), (840, 24706), (880, 23583), (924, 22460), (1123, 18480), (1155, 17968), (1232, 16845), (1320, 15722), (1540, 13476), (1680, 12353), (1848, 11230), (2246, 9240), (2310, 8984), (2640, 7861), (3080, 6738), (3369, 6160), (3696, 5615), (4492, 4620)]