20606464

素因数分解:

$2^9\times {\mathrm{167}}^1\times {\mathrm{241}}^1$

素因数の和:426

約数の個数: 40

約数和(自身を含む): 41591088

約数和(自身を除く): 20984624

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 167, 241, 256, 334, 482, 512, 668, 964, 1336, 1928, 2672, 3856, 5344, 7712, 10688, 15424, 21376, 30848, 40247, 42752, 61696, 80494, 85504, 123392, 160988, 321976, 643952, 1287904, 2575808, 5151616, 10303232, 20606464]

約数ペア:

[(1, 20606464), (2, 10303232), (4, 5151616), (8, 2575808), (16, 1287904), (32, 643952), (64, 321976), (128, 160988), (167, 123392), (241, 85504), (256, 80494), (334, 61696), (482, 42752), (512, 40247), (668, 30848), (964, 21376), (1336, 15424), (1928, 10688), (2672, 7712), (3856, 5344)]