20620704

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 61979904

約数和(自身を除く): 41359200

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 41, 48, 52, 62, 78, 82, 93, 96, 104, 123, 124, 156, 164, 169, 186, 208, 246, 248, 312, 328, 338, 372, 403, 416, 492, 496, 507, 533, 624, 656, 676, 744, 806, 984, 992, 1014, 1066, 1209, 1248, 1271, 1312, 1352, 1488, 1599, 1612, 1968, 2028, 2132, 2418, 2542, 2704, 2976, 3198, 3224, 3813, 3936, 4056, 4264, 4836, 5084, 5239, 5408, 6396, 6448, 6929, 7626, 8112, 8528, 9672, 10168, 10478, 12792, 12896, 13858, 15252, 15717, 16224, 16523, 17056, 19344, 20336, 20787, 20956, 25584, 27716, 30504, 31434, 33046, 38688, 40672, 41574, 41912, 49569, 51168, 55432, 61008, 62868, 66092, 83148, 83824, 99138, 110864, 122016, 125736, 132184, 166296, 167648, 198276, 214799, 221728, 251472, 264368, 332592, 396552, 429598, 502944, 528736, 644397, 665184, 793104, 859196, 1288794, 1586208, 1718392, 2577588, 3436784, 5155176, 6873568, 10310352, 20620704]

約数ペア:

[(1, 20620704), (2, 10310352), (3, 6873568), (4, 5155176), (6, 3436784), (8, 2577588), (12, 1718392), (13, 1586208), (16, 1288794), (24, 859196), (26, 793104), (31, 665184), (32, 644397), (39, 528736), (41, 502944), (48, 429598), (52, 396552), (62, 332592), (78, 264368), (82, 251472), (93, 221728), (96, 214799), (104, 198276), (123, 167648), (124, 166296), (156, 132184), (164, 125736), (169, 122016), (186, 110864), (208, 99138), (246, 83824), (248, 83148), (312, 66092), (328, 62868), (338, 61008), (372, 55432), (403, 51168), (416, 49569), (492, 41912), (496, 41574), (507, 40672), (533, 38688), (624, 33046), (656, 31434), (676, 30504), (744, 27716), (806, 25584), (984, 20956), (992, 20787), (1014, 20336), (1066, 19344), (1209, 17056), (1248, 16523), (1271, 16224), (1312, 15717), (1352, 15252), (1488, 13858), (1599, 12896), (1612, 12792), (1968, 10478), (2028, 10168), (2132, 9672), (2418, 8528), (2542, 8112), (2704, 7626), (2976, 6929), (3198, 6448), (3224, 6396), (3813, 5408), (3936, 5239), (4056, 5084), (4264, 4836)]