20164264778

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{137947}}^1$

素因数の和:138206

約数の個数: 32

約数和(自身を含む): 35398560384

約数和(自身を除く): 15234295606

約数列:

[1, 2, 7, 14, 53, 106, 197, 371, 394, 742, 1379, 2758, 10441, 20882, 73087, 137947, 146174, 275894, 965629, 1931258, 7311191, 14622382, 27175559, 51178337, 54351118, 102356674, 190228913, 380457826, 1440304627, 2880609254, 10082132389, 20164264778]

約数ペア:

[(1, 20164264778), (2, 10082132389), (7, 2880609254), (14, 1440304627), (53, 380457826), (106, 190228913), (197, 102356674), (371, 54351118), (394, 51178337), (742, 27175559), (1379, 14622382), (2758, 7311191), (10441, 1931258), (20882, 965629), (73087, 275894), (137947, 146174)]