20968064

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12601}}^1$

素因数の和:12628

約数の個数: 32

約数和(自身を含む): 44989140

約数和(自身を除く): 24021076

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12601, 25202, 50404, 100808, 163813, 201616, 327626, 403232, 655252, 806464, 1310504, 1612928, 2621008, 5242016, 10484032, 20968064]

約数ペア:

[(1, 20968064), (2, 10484032), (4, 5242016), (8, 2621008), (13, 1612928), (16, 1310504), (26, 806464), (32, 655252), (52, 403232), (64, 327626), (104, 201616), (128, 163813), (208, 100808), (416, 50404), (832, 25202), (1664, 12601)]