20742176

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:466

約数の個数: 96

約数和(自身を含む): 53343360

約数和(自身を除く): 32601184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 224, 238, 272, 364, 416, 419, 442, 476, 544, 728, 838, 884, 952, 1456, 1547, 1676, 1768, 1904, 2912, 2933, 3094, 3352, 3536, 3808, 5447, 5866, 6188, 6704, 7072, 7123, 10894, 11732, 12376, 13408, 14246, 21788, 23464, 24752, 28492, 38129, 43576, 46928, 49504, 49861, 56984, 76258, 87152, 92599, 93856, 99722, 113968, 152516, 174304, 185198, 199444, 227936, 305032, 370396, 398888, 610064, 648193, 740792, 797776, 1220128, 1296386, 1481584, 1595552, 2592772, 2963168, 5185544, 10371088, 20742176]

約数ペア:

[(1, 20742176), (2, 10371088), (4, 5185544), (7, 2963168), (8, 2592772), (13, 1595552), (14, 1481584), (16, 1296386), (17, 1220128), (26, 797776), (28, 740792), (32, 648193), (34, 610064), (52, 398888), (56, 370396), (68, 305032), (91, 227936), (104, 199444), (112, 185198), (119, 174304), (136, 152516), (182, 113968), (208, 99722), (221, 93856), (224, 92599), (238, 87152), (272, 76258), (364, 56984), (416, 49861), (419, 49504), (442, 46928), (476, 43576), (544, 38129), (728, 28492), (838, 24752), (884, 23464), (952, 21788), (1456, 14246), (1547, 13408), (1676, 12376), (1768, 11732), (1904, 10894), (2912, 7123), (2933, 7072), (3094, 6704), (3352, 6188), (3536, 5866), (3808, 5447)]