20921495430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1\times {\mathrm{1823}}^1$

素因数の和:2346

約数の個数: 128

約数和(自身を含む): 55599022080

約数和(自身を除く): 34677526650

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 83, 110, 165, 166, 249, 330, 415, 419, 498, 830, 838, 913, 1245, 1257, 1823, 1826, 2095, 2490, 2514, 2739, 3646, 4190, 4565, 4609, 5469, 5478, 6285, 9115, 9130, 9218, 10938, 12570, 13695, 13827, 18230, 20053, 23045, 27345, 27390, 27654, 34777, 40106, 46090, 54690, 60159, 69135, 69554, 100265, 104331, 120318, 138270, 151309, 173885, 200530, 208662, 300795, 302618, 347770, 382547, 453927, 521655, 601590, 756545, 763837, 765094, 907854, 1043310, 1147641, 1513090, 1527674, 1664399, 1912735, 2269635, 2291511, 2295282, 3328798, 3819185, 3825470, 4539270, 4583022, 4993197, 5738205, 7638370, 8321995, 8402207, 9986394, 11457555, 11476410, 16643990, 16804414, 22915110, 24965985, 25206621, 42011035, 49931970, 50413242, 63398471, 84022070, 126033105, 126796942, 190195413, 252066210, 316992355, 380390826, 633984710, 697383181, 950977065, 1394766362, 1901954130, 2092149543, 3486915905, 4184299086, 6973831810, 10460747715, 20921495430]

約数ペア:

[(1, 20921495430), (2, 10460747715), (3, 6973831810), (5, 4184299086), (6, 3486915905), (10, 2092149543), (11, 1901954130), (15, 1394766362), (22, 950977065), (30, 697383181), (33, 633984710), (55, 380390826), (66, 316992355), (83, 252066210), (110, 190195413), (165, 126796942), (166, 126033105), (249, 84022070), (330, 63398471), (415, 50413242), (419, 49931970), (498, 42011035), (830, 25206621), (838, 24965985), (913, 22915110), (1245, 16804414), (1257, 16643990), (1823, 11476410), (1826, 11457555), (2095, 9986394), (2490, 8402207), (2514, 8321995), (2739, 7638370), (3646, 5738205), (4190, 4993197), (4565, 4583022), (4609, 4539270), (5469, 3825470), (5478, 3819185), (6285, 3328798), (9115, 2295282), (9130, 2291511), (9218, 2269635), (10938, 1912735), (12570, 1664399), (13695, 1527674), (13827, 1513090), (18230, 1147641), (20053, 1043310), (23045, 907854), (27345, 765094), (27390, 763837), (27654, 756545), (34777, 601590), (40106, 521655), (46090, 453927), (54690, 382547), (60159, 347770), (69135, 302618), (69554, 300795), (100265, 208662), (104331, 200530), (120318, 173885), (138270, 151309)]