20301840

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:279

約数の個数: 200

約数和(自身を含む): 76250328

約数和(自身を除く): 55948488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 241, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 482, 520, 540, 585, 624, 648, 702, 720, 723, 780, 810, 936, 964, 1040, 1053, 1080, 1170, 1205, 1296, 1404, 1446, 1560, 1620, 1755, 1872, 1928, 2106, 2160, 2169, 2340, 2410, 2808, 2892, 3120, 3133, 3240, 3510, 3615, 3856, 4212, 4338, 4680, 4820, 5265, 5616, 5784, 6266, 6480, 6507, 7020, 7230, 8424, 8676, 9360, 9399, 9640, 10530, 10845, 11568, 12532, 13014, 14040, 14460, 15665, 16848, 17352, 18798, 19280, 19521, 21060, 21690, 25064, 26028, 28080, 28197, 28920, 31330, 32535, 34704, 37596, 39042, 42120, 43380, 46995, 50128, 52056, 56394, 57840, 62660, 65070, 75192, 78084, 84240, 84591, 86760, 93990, 97605, 104112, 112788, 125320, 130140, 140985, 150384, 156168, 169182, 173520, 187980, 195210, 225576, 250640, 253773, 260280, 281970, 312336, 338364, 375960, 390420, 422955, 451152, 507546, 520560, 563940, 676728, 751920, 780840, 845910, 1015092, 1127880, 1268865, 1353456, 1561680, 1691820, 2030184, 2255760, 2537730, 3383640, 4060368, 5075460, 6767280, 10150920, 20301840]

約数ペア:

[(1, 20301840), (2, 10150920), (3, 6767280), (4, 5075460), (5, 4060368), (6, 3383640), (8, 2537730), (9, 2255760), (10, 2030184), (12, 1691820), (13, 1561680), (15, 1353456), (16, 1268865), (18, 1127880), (20, 1015092), (24, 845910), (26, 780840), (27, 751920), (30, 676728), (36, 563940), (39, 520560), (40, 507546), (45, 451152), (48, 422955), (52, 390420), (54, 375960), (60, 338364), (65, 312336), (72, 281970), (78, 260280), (80, 253773), (81, 250640), (90, 225576), (104, 195210), (108, 187980), (117, 173520), (120, 169182), (130, 156168), (135, 150384), (144, 140985), (156, 130140), (162, 125320), (180, 112788), (195, 104112), (208, 97605), (216, 93990), (234, 86760), (240, 84591), (241, 84240), (260, 78084), (270, 75192), (312, 65070), (324, 62660), (351, 57840), (360, 56394), (390, 52056), (405, 50128), (432, 46995), (468, 43380), (482, 42120), (520, 39042), (540, 37596), (585, 34704), (624, 32535), (648, 31330), (702, 28920), (720, 28197), (723, 28080), (780, 26028), (810, 25064), (936, 21690), (964, 21060), (1040, 19521), (1053, 19280), (1080, 18798), (1170, 17352), (1205, 16848), (1296, 15665), (1404, 14460), (1446, 14040), (1560, 13014), (1620, 12532), (1755, 11568), (1872, 10845), (1928, 10530), (2106, 9640), (2160, 9399), (2169, 9360), (2340, 8676), (2410, 8424), (2808, 7230), (2892, 7020), (3120, 6507), (3133, 6480), (3240, 6266), (3510, 5784), (3615, 5616), (3856, 5265), (4212, 4820), (4338, 4680)]