20287592

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10267}}^1$

素因数の和:10305

約数の個数: 32

約数和(自身を含む): 43125600

約数和(自身を除く): 22838008

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10267, 20534, 41068, 82136, 133471, 195073, 266942, 390146, 533884, 780292, 1067768, 1560584, 2535949, 5071898, 10143796, 20287592]

約数ペア:

[(1, 20287592), (2, 10143796), (4, 5071898), (8, 2535949), (13, 1560584), (19, 1067768), (26, 780292), (38, 533884), (52, 390146), (76, 266942), (104, 195073), (152, 133471), (247, 82136), (494, 41068), (988, 20534), (1976, 10267)]