20452205909520

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{153137}}^1$

素因数の和:153261

約数の個数: 960

約数和(自身を含む): 89707603345920

約数和(自身を除く): 69255397436400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 54, 55, 56, 60, 63, 66, 70, 72, 73, 77, 80, 84, 88, 90, 99, 105, 108, 110, 112, 120, 121, 126, 132, 135, 140, 144, 146, 154, 165, 168, 176, 180, 189, 198, 210, 216, 219, 220, 231, 240, 242, 252, 264, 270, 280, 292, 297, 308, 315, 330, 336, 360, 363, 365, 378, 385, 396, 420, 432, 438, 440, 462, 484, 495, 504, 511, 528, 540, 560, 584, 594, 605, 616, 630, 657, 660, 693, 720, 726, 730, 756, 770, 792, 803, 840, 847, 876, 880, 924, 945, 968, 990, 1008, 1022, 1080, 1089, 1095, 1155, 1168, 1188, 1210, 1232, 1260, 1314, 1320, 1386, 1452, 1460, 1485, 1512, 1533, 1540, 1584, 1606, 1680, 1694, 1752, 1815, 1848, 1890, 1936, 1971, 1980, 2044, 2079, 2160, 2178, 2190, 2310, 2376, 2409, 2420, 2520, 2541, 2555, 2628, 2640, 2772, 2904, 2920, 2970, 3024, 3066, 3080, 3212, 3267, 3285, 3388, 3465, 3504, 3630, 3696, 3780, 3942, 3960, 4015, 4088, 4158, 4235, 4356, 4380, 4599, 4620, 4752, 4818, 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約数ペア:

[(1, 20452205909520), (2, 10226102954760), (3, 6817401969840), (4, 5113051477380), (5, 4090441181904), (6, 3408700984920), (7, 2921743701360), (8, 2556525738690), (9, 2272467323280), (10, 2045220590952), (11, 1859291446320), (12, 1704350492460), (14, 1460871850680), (15, 1363480393968), (16, 1278262869345), (18, 1136233661640), (20, 1022610295476), (21, 973914567120), (22, 929645723160), (24, 852175246230), (27, 757489107760), (28, 730435925340), (30, 681740196984), (33, 619763815440), (35, 584348740272), (36, 568116830820), (40, 511305147738), (42, 486957283560), (44, 464822861580), (45, 454493464656), (48, 426087623115), (54, 378744553880), (55, 371858289264), (56, 365217962670), (60, 340870098492), (63, 324638189040), (66, 309881907720), (70, 292174370136), (72, 284058415410), (73, 280167204240), (77, 265613063760), (80, 255652573869), (84, 243478641780), (88, 232411430790), (90, 227246732328), (99, 206587938480), (105, 194782913424), (108, 189372276940), (110, 185929144632), (112, 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