20214064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1$

素因数の和:797

約数の個数: 40

約数和(自身を含む): 42514640

約数和(自身を除く): 22300576

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 619, 628, 1238, 1256, 2041, 2476, 2512, 4082, 4952, 8047, 8164, 9904, 16094, 16328, 32188, 32656, 64376, 97183, 128752, 194366, 388732, 777464, 1263379, 1554928, 2526758, 5053516, 10107032, 20214064]

約数ペア:

[(1, 20214064), (2, 10107032), (4, 5053516), (8, 2526758), (13, 1554928), (16, 1263379), (26, 777464), (52, 388732), (104, 194366), (157, 128752), (208, 97183), (314, 64376), (619, 32656), (628, 32188), (1238, 16328), (1256, 16094), (2041, 9904), (2476, 8164), (2512, 8047), (4082, 4952)]