20204315040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:111

約数の個数: 1152

約数和(自身を含む): 88610941440

約数和(自身を除く): 68406626400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 20, 21, 23, 24, 26, 28, 30, 32, 34, 35, 39, 40, 42, 46, 48, 49, 51, 52, 56, 60, 65, 68, 69, 70, 78, 80, 84, 85, 91, 92, 96, 98, 102, 104, 105, 112, 115, 119, 120, 130, 136, 138, 140, 147, 156, 160, 161, 168, 169, 170, 182, 184, 195, 196, 204, 208, 210, 221, 224, 230, 238, 240, 245, 255, 260, 272, 273, 276, 280, 294, 299, 312, 322, 336, 338, 340, 345, 357, 364, 368, 390, 391, 392, 408, 416, 420, 442, 455, 460, 476, 480, 483, 490, 507, 510, 520, 544, 546, 552, 560, 588, 595, 598, 624, 637, 644, 663, 672, 676, 680, 690, 714, 728, 735, 736, 780, 782, 784, 805, 816, 833, 840, 845, 884, 897, 910, 920, 952, 966, 980, 1014, 1020, 1040, 1092, 1104, 1105, 1120, 1127, 1173, 1176, 1183, 1190, 1196, 1248, 1274, 1288, 1326, 1352, 1360, 1365, 1380, 1428, 1456, 1470, 1495, 1547, 1560, 1564, 1568, 1610, 1632, 1666, 1680, 1690, 1768, 1785, 1794, 1820, 1840, 1904, 1911, 1932, 1955, 1960, 2028, 2040, 2080, 2093, 2184, 2197, 2208, 2210, 2254, 2346, 2352, 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約数ペア:

[(1, 20204315040), (2, 10102157520), (3, 6734771680), (4, 5051078760), (5, 4040863008), (6, 3367385840), (7, 2886330720), (8, 2525539380), (10, 2020431504), (12, 1683692920), (13, 1554178080), (14, 1443165360), (15, 1346954336), (16, 1262769690), (17, 1188489120), (20, 1010215752), (21, 962110240), (23, 878448480), (24, 841846460), (26, 777089040), (28, 721582680), (30, 673477168), (32, 631384845), (34, 594244560), (35, 577266144), (39, 518059360), (40, 505107876), (42, 481055120), (46, 439224240), (48, 420923230), (49, 412332960), (51, 396163040), (52, 388544520), (56, 360791340), (60, 336738584), (65, 310835616), (68, 297122280), (69, 292816160), (70, 288633072), (78, 259029680), (80, 252553938), (84, 240527560), (85, 237697824), (91, 222025440), (92, 219612120), (96, 210461615), (98, 206166480), (102, 198081520), (104, 194272260), (105, 192422048), (112, 180395670), (115, 175689696), (119, 169784160), (120, 168369292), (130, 155417808), (136, 148561140), (138, 146408080), (140, 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