20617632

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{487}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 70096320

約数和(自身を除く): 49478688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 224, 252, 288, 294, 336, 378, 392, 432, 441, 487, 504, 588, 672, 756, 784, 864, 882, 974, 1008, 1176, 1323, 1461, 1512, 1568, 1764, 1948, 2016, 2352, 2646, 2922, 3024, 3409, 3528, 3896, 4383, 4704, 5292, 5844, 6048, 6818, 7056, 7792, 8766, 10227, 10584, 11688, 13149, 13636, 14112, 15584, 17532, 20454, 21168, 23376, 23863, 26298, 27272, 30681, 35064, 40908, 42336, 46752, 47726, 52596, 54544, 61362, 70128, 71589, 81816, 92043, 95452, 105192, 109088, 122724, 140256, 143178, 163632, 184086, 190904, 210384, 214767, 245448, 286356, 327264, 368172, 381808, 420768, 429534, 490896, 572712, 644301, 736344, 763616, 859068, 981792, 1145424, 1288602, 1472688, 1718136, 2290848, 2577204, 2945376, 3436272, 5154408, 6872544, 10308816, 20617632]

約数ペア:

[(1, 20617632), (2, 10308816), (3, 6872544), (4, 5154408), (6, 3436272), (7, 2945376), (8, 2577204), (9, 2290848), (12, 1718136), (14, 1472688), (16, 1288602), (18, 1145424), (21, 981792), (24, 859068), (27, 763616), (28, 736344), (32, 644301), (36, 572712), (42, 490896), (48, 429534), (49, 420768), (54, 381808), (56, 368172), (63, 327264), (72, 286356), (84, 245448), (96, 214767), (98, 210384), (108, 190904), (112, 184086), (126, 163632), (144, 143178), (147, 140256), (168, 122724), (189, 109088), (196, 105192), (216, 95452), (224, 92043), (252, 81816), (288, 71589), (294, 70128), (336, 61362), (378, 54544), (392, 52596), (432, 47726), (441, 46752), (487, 42336), (504, 40908), (588, 35064), (672, 30681), (756, 27272), (784, 26298), (864, 23863), (882, 23376), (974, 21168), (1008, 20454), (1176, 17532), (1323, 15584), (1461, 14112), (1512, 13636), (1568, 13149), (1764, 11688), (1948, 10584), (2016, 10227), (2352, 8766), (2646, 7792), (2922, 7056), (3024, 6818), (3409, 6048), (3528, 5844), (3896, 5292), (4383, 4704)]