20165720580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{4049}}^1$

素因数の和:4491

約数の個数: 192

約数和(自身を含む): 65644992000

約数和(自身を除く): 45479271420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 401, 414, 460, 540, 621, 690, 802, 828, 1035, 1203, 1242, 1380, 1604, 2005, 2070, 2406, 2484, 3105, 3609, 4010, 4049, 4140, 4812, 6015, 6210, 7218, 8020, 8098, 9223, 10827, 12030, 12147, 12420, 14436, 16196, 18045, 18446, 20245, 21654, 24060, 24294, 27669, 36090, 36441, 36892, 40490, 43308, 46115, 48588, 54135, 55338, 60735, 72180, 72882, 80980, 83007, 92230, 93127, 108270, 109323, 110676, 121470, 138345, 145764, 166014, 182205, 184460, 186254, 216540, 218646, 242940, 249021, 276690, 279381, 332028, 364410, 372508, 415035, 437292, 465635, 498042, 546615, 553380, 558762, 728820, 830070, 838143, 931270, 996084, 1093230, 1117524, 1245105, 1396905, 1623649, 1660140, 1676286, 1862540, 2186460, 2490210, 2514429, 2793810, 3247298, 3352572, 4190715, 4870947, 4980420, 5028858, 5587620, 6494596, 8118245, 8381430, 9741894, 10057716, 12572145, 14612841, 16236490, 16762860, 19483788, 24354735, 25144290, 29225682, 32472980, 37343927, 43838523, 48709470, 50288580, 58451364, 73064205, 74687854, 87677046, 97418940, 112031781, 146128410, 149375708, 175354092, 186719635, 219192615, 224063562, 292256820, 336095343, 373439270, 438385230, 448127124, 560158905, 672190686, 746878540, 876770460, 1008286029, 1120317810, 1344381372, 1680476715, 2016572058, 2240635620, 3360953430, 4033144116, 5041430145, 6721906860, 10082860290, 20165720580]

約数ペア:

[(1, 20165720580), (2, 10082860290), (3, 6721906860), (4, 5041430145), (5, 4033144116), (6, 3360953430), (9, 2240635620), (10, 2016572058), (12, 1680476715), (15, 1344381372), (18, 1120317810), (20, 1008286029), (23, 876770460), (27, 746878540), (30, 672190686), (36, 560158905), (45, 448127124), (46, 438385230), (54, 373439270), (60, 336095343), (69, 292256820), (90, 224063562), (92, 219192615), (108, 186719635), (115, 175354092), (135, 149375708), (138, 146128410), (180, 112031781), (207, 97418940), (230, 87677046), (270, 74687854), (276, 73064205), (345, 58451364), (401, 50288580), (414, 48709470), (460, 43838523), (540, 37343927), (621, 32472980), (690, 29225682), (802, 25144290), (828, 24354735), (1035, 19483788), (1203, 16762860), (1242, 16236490), (1380, 14612841), (1604, 12572145), (2005, 10057716), (2070, 9741894), (2406, 8381430), (2484, 8118245), (3105, 6494596), (3609, 5587620), (4010, 5028858), (4049, 4980420), (4140, 4870947), (4812, 4190715), (6015, 3352572), (6210, 3247298), (7218, 2793810), (8020, 2514429), (8098, 2490210), (9223, 2186460), (10827, 1862540), (12030, 1676286), (12147, 1660140), (12420, 1623649), (14436, 1396905), (16196, 1245105), (18045, 1117524), (18446, 1093230), (20245, 996084), (21654, 931270), (24060, 838143), (24294, 830070), (27669, 728820), (36090, 558762), (36441, 553380), (36892, 546615), (40490, 498042), (43308, 465635), (46115, 437292), (48588, 415035), (54135, 372508), (55338, 364410), (60735, 332028), (72180, 279381), (72882, 276690), (80980, 249021), (83007, 242940), (92230, 218646), (93127, 216540), (108270, 186254), (109323, 184460), (110676, 182205), (121470, 166014), (138345, 145764)]