20508738272

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{348883}}^1$

素因数の和:349071

約数の個数: 48

約数和(自身を含む): 44311059072

約数和(自身を除く): 23802320800

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 167, 176, 334, 352, 668, 1336, 1837, 2672, 3674, 5344, 7348, 14696, 29392, 58784, 348883, 697766, 1395532, 2791064, 3837713, 5582128, 7675426, 11164256, 15350852, 30701704, 58263461, 61403408, 116526922, 122806816, 233053844, 466107688, 640898071, 932215376, 1281796142, 1864430752, 2563592284, 5127184568, 10254369136, 20508738272]

約数ペア:

[(1, 20508738272), (2, 10254369136), (4, 5127184568), (8, 2563592284), (11, 1864430752), (16, 1281796142), (22, 932215376), (32, 640898071), (44, 466107688), (88, 233053844), (167, 122806816), (176, 116526922), (334, 61403408), (352, 58263461), (668, 30701704), (1336, 15350852), (1837, 11164256), (2672, 7675426), (3674, 5582128), (5344, 3837713), (7348, 2791064), (14696, 1395532), (29392, 697766), (58784, 348883)]