20739488

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:490

約数の個数: 96

約数和(自身を含む): 53706240

約数和(自身を除く): 32966752

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 224, 266, 304, 308, 352, 418, 443, 532, 608, 616, 836, 886, 1064, 1232, 1463, 1672, 1772, 2128, 2464, 2926, 3101, 3344, 3544, 4256, 4873, 5852, 6202, 6688, 7088, 8417, 9746, 11704, 12404, 14176, 16834, 19492, 23408, 24808, 33668, 34111, 38984, 46816, 49616, 58919, 67336, 68222, 77968, 92587, 99232, 117838, 134672, 136444, 155936, 185174, 235676, 269344, 272888, 370348, 471352, 545776, 648109, 740696, 942704, 1091552, 1296218, 1481392, 1885408, 2592436, 2962784, 5184872, 10369744, 20739488]

約数ペア:

[(1, 20739488), (2, 10369744), (4, 5184872), (7, 2962784), (8, 2592436), (11, 1885408), (14, 1481392), (16, 1296218), (19, 1091552), (22, 942704), (28, 740696), (32, 648109), (38, 545776), (44, 471352), (56, 370348), (76, 272888), (77, 269344), (88, 235676), (112, 185174), (133, 155936), (152, 136444), (154, 134672), (176, 117838), (209, 99232), (224, 92587), (266, 77968), (304, 68222), (308, 67336), (352, 58919), (418, 49616), (443, 46816), (532, 38984), (608, 34111), (616, 33668), (836, 24808), (886, 23408), (1064, 19492), (1232, 16834), (1463, 14176), (1672, 12404), (1772, 11704), (2128, 9746), (2464, 8417), (2926, 7088), (3101, 6688), (3344, 6202), (3544, 5852), (4256, 4873)]